Description
HIGH-PERFORMANCE ROLLER ROCKER ARMS. The Comp Cams Ultra Pro Magnum Roller Rocker Arm; 3/8-Inch Stud; 1.8 Ratio offers enhanced performance and reliability for high-output engines. Designed to deliver increased strength and rigidity while optimizing dynamic balance, these rocker arms improve valvetrain stability and efficiency under demanding conditions.
CONSTRUCTION AND APPEARANCE. Manufactured from investment-cast 8650 chromemoly steel with an arched, web-like design, these roller rocker arms provide exceptional strength while reducing weight. They feature a black oxide exterior finish that resists corrosion and enhances durability for long-lasting service life.
INSTALLATION. Installation is straightforward with no additional drilling required, making these rocker arms suitable for direct replacement on compatible stud mount engines.
WARRANTY. Backed by a lifetime warranty against rocker body breakage, underscoring the durability and build quality of the product. APPLICATION. Specifically fits the 2005-2007 6.0L Corvette C6 without any noted exclusions or special considerations.
Comp Cams 1675-8
CA Residents: WARNING: Cancer and Reproductive Harm
- Ultra Pro Magnum™ Roller Rocker Arms live up to the lofty standards of the original Pro Magnums, elevating stud mount rocker performance, stability, and value.
- Constructed from investment-cast 8650 chromemoly steel with an arched, web-like design, these rocker arms deliver increased strength and rigidity while reducing the moment of inertia and optimizing dynamic balance.
- Black oxide exterior finish helps prevent corrosion and increases durability.
- Features oversized trunnions, precision-sorted needle bearings, and hardened roller tips for ultimate performance and dependability.
- Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers, and up to +.050″ locks without clearance or fitment issues.
- Compatible with GM LS engines using LS1/LS2/LS6 style heads with 3/8″ stud and a 1.8 ratio.
- Lifetime warranty guarantees the rocker bodies against breakage for life.
- Designed for use with up to 850 lbs of open spring pressure.
- Fits 2005-2007 6.0L Corvette C6 engines.






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