{"product_id":"d-851","title":"1989-17 12 \u0026 24 Valve Cummins Rocker Arm Jam Nut\n3\/8-24 x .620 O.D. 12 pt. (D-851)","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 1989-17 12 \u0026amp; 24 Valve Cummins Rocker Arm Jam Nut  3\/8 x 24 x .620 O.D. 12 pt. | 851\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 Diesel","offers":[{"title":"Default Title","offer_id":67809859731655,"sku":"D-851","price":3.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1790366566101-347867609.jpg?v=1790952175","url":"https:\/\/mantonpushrods.com\/products\/d-851","provider":"Manton Racing Products","version":"1.0","type":"link"}