{"product_id":"comp-cams-1621r-1-ultra-pro-mag-rocker-chrysler-bb","title":"COMP Cams 1621R-1 - Ultra Pro Mag Rocker Chrysler BB","description":"\u003cp\u003eCOMP Cams 1621R-1 - Ultra Pro Mag Rocker Chrysler BB\u003c\/p\u003e\u003cp\u003eRocker Arm - Ultra Pro Magnum - Shaft Mount \/ Right Hand - 1.50 Ratio - Full Roller - Chromoly - Mopar B \/ RB-Series - Each\u003c\/p\u003e\u003cp\u003eThis 1.5 ratio Ultra Pro Magnum right rocker arm replaces the right oriented rocker arms that come with our 1621-16 Ultra Pro Magnum Shaft-Mount Rocker system for Chrysler 383-440 B\/RB.\u003c\/p\u003e\u003cp\u003eUltra Pro Magnum Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring Oversized trunnions, precision-sorted needle bearings and hardened Roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050\" locks without clearance or fitment issues.Chrysler 383-440 Big Block - Shaft Mounted - 1.5 Ratio. Investment cast 8650 chromemoly body and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia. Unique black oxide exterior finish helps prevent corrosion and increases durability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050\" locks without clearance or fitment issues. Feature Oversized trunnions, precision-sorted needle bearings and hardened Roller tips. Lifetime Warranty - So strong that we guarantee the Rocker bodies against breakage for life. For use with up to 850 lbs of open spring pressure. Requires ball\/ball style pushrods.\u003c\/p\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?\u003c\/strong\u003e: \u003cspan\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for On-Road Vehicles?\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exemption Reason\u003c\/strong\u003e: \u003cspan\u003eN\/A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. E.O. Number\u003c\/strong\u003e: \u003cspan\u003eN\/A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Family\u003c\/strong\u003e: \u003cspan\u003eChrysler V8 383-440\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMaximum Valve Spring Open Pressure\u003c\/strong\u003e: \u003cspan\u003e850\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRocker Arm Material\u003c\/strong\u003e: \u003cspan\u003e8650 Chromemoly Steel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRocker Arm Ratio\u003c\/strong\u003e: \u003cspan\u003e1.5\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRocker Arm Series\u003c\/strong\u003e: \u003cspan\u003eUltra Pro Magnum\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRocker Stud Diameter\u003c\/strong\u003e: \u003cspan\u003eShaft\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAmazon ASIN\u003c\/strong\u003e: \u003cspan\u003eB0046ZHN28\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Racing and Off-Road Only Vehicles?\u003c\/strong\u003e: \u003cspan\u003eYes, but must be a race\/competition only vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?\u003c\/strong\u003e: \u003cspan\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?\u003c\/strong\u003e: \u003cspan\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":47285604352138,"sku":"COMP-1621R-1","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_35d347fdc1d8f07ee6926d91f6ba8581_normalized.jpg?v=1776284676","url":"https:\/\/www.onlyinstock.com\/products\/comp-cams-1621r-1-ultra-pro-mag-rocker-chrysler-bb","provider":"Only In Stock","version":"1.0","type":"link"}