{"title":"Adjusting Screws-Nuts","description":null,"products":[{"product_id":"830","title":"Rocker Arm Adjusting Screw H-13 (830)\n13\/32 Ball 7\/16-20 x 1.300 Thread, Pressure Fed Side Hole","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 13\/32 Ball 7\/16 x 20 Thread with Pressure Fed Side Hole H-13 | 830\u003c\/strong\u003e \u003cstrong\u003eProduct details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnrivaled Durability and Precision\u003c\/strong\u003e Experience the pinnacle of engineering with Manton Pushrods' Rocker Arm Screws, machined from premium H-13 tool steel. Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eWe emphasize the importance of correct oil band alignment in their pressure-fed adjusting screws. This critical feature guarantees proper oil flow, safeguarding against component failure. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. Manton Pushrods' design ensures that the engine oil adequately coats the friction points, a process that anti-seize, with its abrasive metal particles at high temperatures, can disrupt.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809853898951,"sku":"830","price":35.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790351422550-789490556.jpg?v=1790952155"},{"product_id":"822","title":"Rocker Arm Adjusting Screw H-13 (822)\n3\/8 Ball 7\/16-20 x 1.300 Thread, Through Oil Hole","description":"","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809855176903,"sku":"822","price":34.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790352211167-931430157.jpg?v=1790952156"},{"product_id":"827","title":"Rocker Arm Adjusting Screw H-13 (827)\n5\/16 Ball 7\/16-20 x 1.300 Thread, Through Oil Hole","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 5\/16 Ball 7\/16 x 20 Thread with Oil Hole H-13 | 827\u003c\/strong\u003e \u003cstrong\u003eProduct details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnrivaled Durability and Precision\u003c\/strong\u003e Experience the pinnacle of engineering with Manton Pushrods' Rocker Arm Screws, machined from premium H-13 tool steel. Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eTo allow for spray oiling We have included an oil hole that runs through the length of the adjusting screw. This will spray oil under the valve cover to cool and lubricate other valvetrain components. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. Manton Pushrods' design ensures that the engine oil adequately coats the friction points, a process that anti-seize, with its abrasive metal particles at high temperatures, can disrupt.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809855307975,"sku":"827","price":34.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790352174983-529462478.jpg?v=1790952158"},{"product_id":"828-l","title":"Rocker Arm Adjusting Screw H-13 (828-L)\n3\/8 Ball 3\/8-24 x 1.600 Thread, Through Oil Hole","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 3\/8 Ball 3\/8 x 24 Thread with Oil Hole H-13 | 828-L (1.600)\u003c\/strong\u003e \u003cstrong\u003eProduct details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnrivaled Durability and Precision\u003c\/strong\u003e Experience the pinnacle of engineering with Manton Pushrods' Rocker Arm Screws, machined from premium H-13 tool steel. Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eTo allow for spray oiling We have included an oil hole that runs through the length of the adjusting screw. This will spray oil under the valve cover to cool and lubricate other valvetrain components. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. Manton Pushrods' design ensures that the engine oil adequately coats the friction points, a process that anti-seize, with its abrasive metal particles at high temperatures, can disrupt.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809856389319,"sku":"828-L","price":34.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790353834512-501042798.jpg?v=1790952159"},{"product_id":"815","title":"5\/16 Ball 3\/8-24 x 1.300 with Pressure Fed Side Hole H-13 (815)","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 5\/16 Ball 3\/8-24 Thread with Pressure Fed Side Hole H-13 | 815\u003c\/strong\u003e \u003cstrong\u003eProduct details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnrivaled Durability and Precision\u003c\/strong\u003e Experience the pinnacle of engineering with Manton Pushrods' Rocker Arm Screws, machined from premium H-13 tool steel. Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eWe emphasize the importance of correct oil band alignment in their pressure-fed adjusting screws. This critical feature guarantees proper oil flow, safeguarding against component failure. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. Manton Pushrods' design ensures that the engine oil adequately coats the friction points, a process that anti-seize, with its abrasive metal particles at high temperatures, can disrupt.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809856422087,"sku":"815","price":35.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790292086778-172718060.jpg?v=1790952159"},{"product_id":"d-828","title":"1989-98 5.9L 12 Valve Cummins Rocker Arm Adjusting Screw H-13 (D-828)","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 12v Cummins Adjusting Screw\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e12 needed per set.\u003c\/strong\u003e Fits 1989-1998 5.9L 12V Cummins\u003c\/p\u003e\u003cp\u003e Enhance your 1989-1998 5.9L 12V Cummins with Nitrided Billet Tool Steel Adjusting Screws. These screws are made from H-13 tool steel, heat treated, triple tempered, and nitrided for durability. Manufactured with rolled threads and broached for Allen wrench compatibility. Custom screws available with oil holes or oil grooves upon request. Stock rocker arm setup uses part number D-828 with stock length, thread pitch, and ball radius. Proper installation crucial; deviations affect rocker arm ratio and valve lift. Pre-lubricate with high zinc assembly oil to prevent galling during initial start-up. Pair with lightweight 12-point poly lock jam nuts for optimal performance. For D-828 screws, consider our D-851 jam nut for best results. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFor further assistance, call (951)245-6565.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Diesel","offers":[{"title":"Default Title","offer_id":67809856454855,"sku":"D-828","price":34.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790353802353-268005646.jpg?v=1790952160"},{"product_id":"819","title":"Rocker Arm Adjusting Screw H-13 (819)\n.281 Radius Ball 3\/8-24 x 1.300 Thread, No Oil Hole","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton .281 Ball 3\/8 x 24 Thread H-13 | 819\u003c\/strong\u003e \u003cstrong\u003eProduct details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnrivaled Durability and Precision\u003c\/strong\u003e Experience the pinnacle of engineering with Manton Pushrods' Rocker Arm Screws, machined from premium H-13 tool steel. Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eThis adjusting screw has no oil passage through it, this will insure peak oil pressure and maximum strength. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. Manton Pushrods' design ensures that the engine oil adequately coats the friction points, a process that anti-seize, with its abrasive metal particles at high temperatures, can disrupt.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809856585927,"sku":"819","price":31.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790292158177-545173355.jpg?v=1790952160"},{"product_id":"820","title":"Rocker Arm Adjusting Screw H-13 (820)\n.281 Radius Ball 3\/8-24 x 1.250 Thread, Through Oil Hole","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton .281 Ball 3\/8 x 24 Thread with Oil Hole H-13 | 820\u003c\/strong\u003e \u003cstrong\u003eProduct details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnrivaled Durability and Precision\u003c\/strong\u003e Experience the pinnacle of engineering with Manton Pushrods' Rocker Arm Screws, machined from premium H-13 tool steel. Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eTo allow for spray oiling We have included an oil hole that runs through the length of the adjusting screw. This will spray oil under the valve cover to cool and lubricate other valvetrain components. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. Manton Pushrods' design ensures that the engine oil adequately coats the friction points, a process that anti-seize, with its abrasive metal particles at high temperatures, can disrupt.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809858027719,"sku":"820","price":34.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790351398696-515578873.jpg?v=1790952162"},{"product_id":"851s","title":"3\/8-24 x .568 O.D. 12 pt. Jam Nut (851s)","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 3\/8 x 24 x .568 O.D. 12 pt. Jam Nut | 851s\u003c\/strong\u003e \u003c\/p\u003e\u003cp\u003eThis rocker arm jam nut is made in the USA from Chromoly Steel, black oxide coated, designed to excel in the most intense applications or everyday use. We also custom-grind this adjusting screw in-house to reduce the diameter of the nut.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809858126023,"sku":"851s","price":3.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790368583442-870888959.jpg?v=1790952163"},{"product_id":"826-l","title":"Rocker Arm Adjusting Screw H-13 (826-L)\n3\/8 Ball 7\/16-20 x 1.500 Thread, Pressure Fed Side Hole","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 3\/8 Ball 7\/16 x 20 Thread with Pressure Fed Side Hole H-13 | 826-L (1.500)\u003c\/strong\u003e \u003cstrong\u003eProduct details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnrivaled Durability and Precision\u003c\/strong\u003e Experience the pinnacle of engineering with Manton Pushrods' Rocker Arm Screws, machined from premium H-13 tool steel. Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eWe emphasize the importance of correct oil band alignment in their pressure-fed adjusting screws. This critical feature guarantees proper oil flow, safeguarding against component failure. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. Manton Pushrods' design ensures that the engine oil adequately coats the friction points, a process that anti-seize, with its abrasive metal particles at high temperatures, can disrupt.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809858158791,"sku":"826-L","price":35.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790353684103-615108605.jpg?v=1790952164"},{"product_id":"835","title":"Rocker Arm Adjusting Screw H-13 (835)\n5\/16 Cup 7\/16-20 x 1.300 Thread, Through Oil Hole","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 5\/16 Cup 7\/16 x 20 Thread with Oil Hole H-13 | 835\u003c\/strong\u003e \u003cstrong\u003eProduct details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnrivaled Durability and Precision\u003c\/strong\u003e Experience the pinnacle of engineering with Manton Pushrods' Rocker Arm Screws, machined from premium H-13 tool steel. Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eTo allow for spray oiling We have included an oil hole that runs through the length of the adjusting screw. This will spray oil under the valve cover to cool and lubricate other valvetrain components. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. Manton Pushrods' design ensures that the engine oil adequately coats the friction points, a process that anti-seize, with its abrasive metal particles at high temperatures, can disrupt.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809858388167,"sku":"835","price":36.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790350070704-949541704.jpg?v=1790952165"},{"product_id":"d-838","title":"2001-17 6.6L Duramax - Rocker Arm Adjusting Screw, H-13 Tool Steel","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton's 6.6L Duramax Rocker Arm Adjusting Screw, H-13 Tool Steel\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBillet Tool Steel Adjusting Screw (16 needed for a set) Similar to our custom adjusting screws for the racing market, our diesel rocker arm screws are made of H-13 tool steel that is heat treated, triple tempered and nitrided for wear resistance. This combination of materials and heat-treating procedures makes the most durable and reliable screws available on the market. All of our screws are manufactured with rolled threads and broached to accept an Allen wrench. Manton makes custom screws on request, available with or without oil holes for pre-lube as well as oil grooves for pressure fed oiling; Minimum quantities may apply. Depending on the style of screw and application, proper installation instructions will vary. Duramax engines will use our part D-838, featuring a pressure fed side oil hole. All pressure fed adjusting screws need the oil band positioned properly so oil can flow around the oil band and into the side oil hole of the screw. This is very critical due to the fact that, if not aligned correctly, lifter and camshaft failure will occur. Pre-lubrication of these screws before use is very important. It is recommended that a high zinc content assembly oil be used to prevent galling on the initial start-up. Do not use anti seize of any kind on pushrod tips and adjusting screws. Anti seize contains soft metal particles that turn into an abrasive at a high temperature and doesn't allow the engine oil to coat the friction points properly. To go along with your adjusting screw, we offer poly lock jam nuts, featuring a light weight 12-point design. They are designed to mate perfectly with our diesel adjusting screws and the surface of the rocker arm body. For customers who purchase D-838 Duramax adjusting screws, we suggest pairing them with our D-852 jam nut sold separately. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIf you require additional assistance, please call (951)245-6565.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Diesel","offers":[{"title":"Default Title","offer_id":67809858617543,"sku":"D-838","price":38.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790352664852-278656069.jpg?v=1790952166"},{"product_id":"851","title":"3\/8-24 x .620 O.D. 12 pt. Jam Nut (851)","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 3\/8 x 24 x .620 O.D. 12 pt. Jam Nut | 851\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003eThread: 3\/8-24\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eOuter Diameter: .620 in\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eWrench Size: 7\/16\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eMass: 5.5 g\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eTorque Spec: 35 ft*lb\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis rocker arm jam nut is made in the USA from Chromoly Steel, black oxide coated, designed to excel in the most intense applications or everyday use. We also custom-grind this adjusting screw in-house to reduce the diameter of the nut.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809858715847,"sku":"851","price":3.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790366626458-177320668.jpg?v=1790952167"},{"product_id":"833","title":"Rocker Arm Adjusting Screw H-13 (833)\n5\/16 Cup 3\/8-24 x 1.250 Thread, Through Oil Hole","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eManton 5\/16 Cup 3\/8 x 24 Thread with Oil Hole H-13 | 833\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProduct details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnrivaled Durability and Precision\u003c\/strong\u003e Experience the pinnacle of engineering with Manton Pushrods' Rocker Arm Screws, machined from premium H-13 tool steel. Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eTo allow for spray oiling We have included an oil hole that runs through the length of the adjusting screw. This will spray oil under the valve cover to cool and lubricate other valvetrain components. 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Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eTo allow for spray oiling We have included an oil hole that runs through the length of the adjusting screw. This will spray oil under the valve cover to cool and lubricate other valvetrain components. 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Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eTo allow for spray oiling We have included an oil hole that runs through the length of the adjusting screw. This will spray oil under the valve cover to cool and lubricate other valvetrain components. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. Manton Pushrods' design ensures that the engine oil adequately coats the friction points, a process that anti-seize, with its abrasive metal particles at high temperatures, can disrupt.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809859797191,"sku":"824-02","price":34.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790265418829-905950605.jpg?v=1790952175"},{"product_id":"817","title":".281 Ball 7\/16-20 Thread with Pressure Fed Side Oil Hole H-13 (817)","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton .281 Ball 7\/16 x 20 Thread with Oil Hole H-13 | 817\u003c\/strong\u003e \u003cstrong\u003eProduct details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnrivaled Durability and Precision\u003c\/strong\u003e Experience the pinnacle of engineering with Manton Pushrods' Rocker Arm Screws, machined from premium H-13 tool steel. Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eTo allow for spray oiling We have included an oil hole that runs through the length of the adjusting screw. This will spray oil under the valve cover to cool and lubricate other valvetrain components. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. Manton Pushrods' design ensures that the engine oil adequately coats the friction points, a process that anti-seize, with its abrasive metal particles at high temperatures, can disrupt.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809859862727,"sku":"817","price":35.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790353736219-936060505.jpg?v=1790952177"},{"product_id":"d-852","title":"2001 to Present 6.6L Duramax. M10-1.25 X .620 OD, 12 pt. Jam Nut (D-838)","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton's  2001 to Present 6.6L Duramax. M10-1.25 X .620 OD, 12 pt. Jam Nut (D-838)\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis rocker arm jam nut is made in the USA from Chromoly Steel, black oxide coated, designed to excel in the most intense applications or everyday use. 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Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eTo allow for spray oiling We have included an oil hole that runs through the length of the adjusting screw. This will spray oil under the valve cover to cool and lubricate other valvetrain components. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. Note: Avoid the use of anti-seize on pushrod tips and adjusting screws. Manton Pushrods' design ensures that the engine oil adequately coats the friction points, a process that anti-seize, with its abrasive metal particles at high temperatures, can disrupt.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809862189255,"sku":"828","price":34.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790353819874-845067406.jpg?v=1790952197"},{"product_id":"821","title":"Rocker Arm Adjusting Screw, H-13 (821)\n3\/8 Ball 7\/16-20 x 1.300 No Oil Hole,","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 3\/8 Ball 7\/16 x 20 Thread H-13 | 821\u003c\/strong\u003e \u003cstrong\u003eProduct details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnrivaled Durability and Precision\u003c\/strong\u003e Experience the pinnacle of engineering with Manton Pushrods' Rocker Arm Screws, machined from premium H-13 tool steel. Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eThis adjusting screw has no oil passage through it, this will insure peak oil pressure and maximum strength. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. Manton Pushrods' design ensures that the engine oil adequately coats the friction points, a process that anti-seize, with its abrasive metal particles at high temperatures, can disrupt.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809863172295,"sku":"821","price":31.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790352759348-180544481.jpg?v=1790952206"},{"product_id":"836","title":"Rocker Arm Adjusting Screw, H-13 (836)\n5\/16 Cup 7\/16 x 20 Thread with Pressure Fed Side Hole","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 5\/16 Cup 7\/16 x 20 Thread with Pressure Fed Side Hole H-13 | 836\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnrivaled Durability and Precision\u003c\/strong\u003e Experience the pinnacle of engineering with Manton Pushrods' Rocker Arm Screws, machined from premium H-13 tool steel. Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eWe emphasize the importance of correct oil band alignment in their pressure-fed adjusting screws. This critical feature guarantees proper oil flow, safeguarding against component failure. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. Manton Pushrods' design ensures that the engine oil adequately coats the friction points, a process that anti-seize, with its abrasive metal particles at high temperatures, can disrupt.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809863368903,"sku":"836","price":36.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790352780451-513247308.jpg?v=1790952207"},{"product_id":"832","title":"Rocker Arm Adjusting Screw H-13 (832)\n13\/32 Ball 7\/16-20 x 1.300 Thread, Through Oil Hole","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 13\/32 Ball 7\/16-20 Thread with Oil Hole H-13 | 832\u003c\/strong\u003e \u003cstrong\u003e(1.300)\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnrivaled Durability and Precision\u003c\/strong\u003e Experience the pinnacle of engineering with Manton Pushrods' Rocker Arm Screws, machined from premium H-13 tool steel. Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eTo allow for spray oiling We have included an oil hole that runs through the length of the adjusting screw. This will spray oil under the valve cover to cool and lubricate other valvetrain components. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. Manton Pushrods' design ensures that the engine oil adequately coats the friction points, a process that anti-seize, with its abrasive metal particles at high temperatures, can disrupt.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809863532743,"sku":"832","price":34.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790352284128-66872354.jpg?v=1790952209"},{"product_id":"823-01","title":"Rocker Arm Adjusting Screw H-13 (823-01)\n5\/16 Ball 3\/8-24 x 1.250 Thread, No Oil Hole","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 5\/16 Ball 3\/8 x 24 Thread H-13 | 823-01 (1.250)\u003c\/strong\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnrivaled Durability and Precision\u003c\/strong\u003e Experience the pinnacle of engineering with Manton Pushrods' Rocker Arm Screws, machined from premium H-13 tool steel. Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eThis adjusting screw has no oil passage through it, this will insure peak oil pressure and maximum strength. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. 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Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eThis adjusting screw has no oil passage through it, this will insure peak oil pressure and maximum strength. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. 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Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eThis adjusting screw has no oil passage through it, this will insure peak oil pressure and maximum strength. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. 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Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eThis adjusting screw has no oil passage through it, this will insure peak oil pressure and maximum strength. To ensure peak performance from the first use, Manton recommends pre-lubricating the screws with a high-zinc assembly oil, preventing galling upon initial startup. \u003cstrong\u003eComplementary Components for a Complete Solution\u003c\/strong\u003e In addition to our top-tier adjusting screws, Manton offers jam nuts, designed with a lightweight 12-point configuration. These nuts are engineered to integrate flawlessly with Manton's adjusting screws and the rocker arm body's adjuster flat, completing your engines setup with the assurance of Manton quality. \u003cstrong\u003eNote: Avoid the use of anti-seize on pushrod tips and adjusting screws. Manton Pushrods' design ensures that the engine oil adequately coats the friction points, a process that anti-seize, with its abrasive metal particles at high temperatures, can disrupt.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Rocker Arms","offers":[{"title":"Default Title","offer_id":67809864876231,"sku":"829-I","price":34.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790349860626-885730467.jpg?v=1790952221"},{"product_id":"850g","title":"7\/16-20 x .620 O.D. 12 pt. Jam Nut (850g)","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e7\/16 x 20 x .620 O.D. 12 pt. 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Through an advanced multi-staged process, Manton ensures each screw offers the utmost in wear resistance and longevity. This dedication to quality positions Manton's screws as the most durable and reliable option in the market. Every Manton screw boasts precision-rolled threads for peak thread strength and are broached for Allen wrench compatibility, for easy install. \u003cstrong\u003eOptimal Lubrication for Peak Efficiency \u003c\/strong\u003eWe emphasize the importance of correct oil band alignment in their pressure-fed adjusting screws. This critical feature guarantees proper oil flow, safeguarding against component failure. 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