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COMP Cams 1605-16 Ultra Pro Magnum Rocker Arm Set w/ 1.6 Ratio for Chevrolet SBC w/ 7/16" Stud
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8650 chromemoly rocker arms with a 1.6 ratio and arched, web-like design, part 1605-16 from COMP Cams, withstand up to 850 lbs of open spring pressure in Chevrolet Small Block engines from 262 to 400 cubic inches. Investment-cast construction and black oxide coating prevent corrosion and increase durability. Oversized trunnions and precision-sorted needle bearings provide enhanced stability and retention, while hardened roller tips accommodate most diameter springs and retainers with valve spring locks up to.050" in thickness without fitment issues.
- Maximum Valve Spring Open Pressure: 850 lbs
- Valve Spring Lock Clearance:.050"
- Engine Family: 8 cylinder (Chevrolet 262-400 c.i., 1958-1998)
- Rocker Arm Ratio: 1.6
- Rocker Arm Material: 8650 Chromemoly Steel
- Rocker Arm Series: Ultra Pro Magnum
- Rocker Stud Diameter: 7/16 IN
- Construction Method: Investment cast
- Rocker Arm Finish: Black oxide
- Bearing Type: Precision-sorted needle bearings
- Trunnion Style: Oversized
- Roller Tip Style: Hardened
- C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.
- C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
- C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.
- C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
Country of Origin: United States
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.
Please check the product description for the manufacturer’s application details, or ask a specialist — we’ll confirm whether it fits your vehicle before you buy.
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