{"product_id":"roller-rocker-arms-1-7-ratio-7-16-stud-standard-for-chevy-bbc-396-402-427-454","title":"Roller Rocker Arms 1.7 Ratio 7\/16\" Stud Standard for Chevy BBC 396 402 427 454","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis aftermarket replacement roller rocker arm set is intended for Chevrolet BBC 396, 402, 427, and 454 applications and is built to the standard 1.7 ratio with a 7\/16\" stud. Roller rocker arms transfer camshaft lift to the valves while reducing friction at the pivot point compared with a standard rocker arm. The set offers a practical option when servicing or replacing the corresponding valvetrain components on the listed big block applications.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRoller rocker arms are designed to translate camshaft motion into valve actuation while reducing friction at the trunnion.\u003c\/li\u003e\n\u003cli\u003eStandard 1.7 ratio configuration matches the ratio called for in the title for the listed Chevrolet BBC applications.\u003c\/li\u003e\n\u003cli\u003e7\/16\" stud sizing is specified for the listed applications and should be confirmed against the existing hardware before purchase.\u003c\/li\u003e\n\u003cli\u003eIntended for Chevrolet BBC 396, 402, 427, and 454 applications as identified in the title.\u003c\/li\u003e\n\u003cli\u003eSuits valvetrain service or replacement work where the original rocker arms are worn or damaged.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003efor Chevrolet BBC 396 applications\u003c\/li\u003e\n\u003cli\u003efor Chevrolet BBC 402 applications\u003c\/li\u003e\n\u003cli\u003efor Chevrolet BBC 427 applications\u003c\/li\u003e\n\u003cli\u003efor Chevrolet BBC 454 applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing worn, damaged, or malfunctioning rocker arms in a big block Chevrolet valvetrain.\u003c\/li\u003e\n\u003cli\u003eValvetrain maintenance and servicing of the listed engine applications.\u003c\/li\u003e\n\u003cli\u003eRestoring normal valve actuation after the original rocker arms have failed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Roller Rocker Arms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Application(s):\u003c\/strong\u003e Chevrolet BBC 396, 402, 427, 454\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRocker Ratio:\u003c\/strong\u003e 1.7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStud Size:\u003c\/strong\u003e 7\/16\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Standard\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What do roller rocker arms do? \u003cstrong\u003eA:\u003c\/strong\u003e They transfer camshaft lift to the valves and use a roller bearing at the pivot to reduce friction compared with a standard rocker arm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I verify fitment? \u003cstrong\u003eA:\u003c\/strong\u003e Match the 1.7 ratio and 7\/16\" stud size to your existing setup, and confirm the complete engine designation such as BBC 396, 402, 427, or 454 before ordering.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThis is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":67947084972305,"sku":"ZZ3V00904","price":369.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/s-l1600_348a448f-f827-46b9-a843-67e9d6c5d922.jpg?v=1793697712","url":"https:\/\/www.duraforce.com\/products\/roller-rocker-arms-1-7-ratio-7-16-stud-standard-for-chevy-bbc-396-402-427-454","provider":"DURAFORCE","version":"1.0","type":"link"}