{"product_id":"d-837","title":"1998-19 5.9L 24 Valve Cummins - Rocker Arm Adjusting Screw, H-13 Tool Steel","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 24v Cummins Adjusting Screw\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e Introducing our Billet Tool steel Adjusting Screws, crafted from H-13 tool steel for superior durability. Heat treated, triple tempered, and nitrided for optimal wear resistance. Manufactured with rolled threads and Allen wrench-compatible broached ends. Custom screws available on request with optional oil holes or oil grooves. Designed for 24-valve Cummins engines using part number D-837 for stock rocker arms. Ensure proper installation aligning the ball 2 to 3 threads from the rocker body bottom. Pre-lubricate with high zinc content assembly oil to prevent initial galling. Avoid using anti-seize on pushrod tips and adjusting screws due to potential abrasive effects. Pair with our lightweight 12-point poly lock jam nuts for secure fitment. Recommended pairing with D-851 jam nut for optimal performance. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFor more details, contact us at (951)245-6565 for personalized assistance.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Diesel","offers":[{"title":"Default Title","offer_id":67809868185799,"sku":"D-837","price":33.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790350116209-783142487.jpg?v=1790952241","url":"https:\/\/mantonpushrods.com\/products\/d-837","provider":"Manton Racing Products","version":"1.0","type":"link"}