Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The COMP Cams Magnum Roller Rocker Arm for Chevrolet 173 V6 applications features a 1.6:1 ratio on a 10mm stud for stronger valve actuation in street builds. Made from 8620 chromemoly steel with a roller tip, it reduces tip friction and maintains ratio accuracy for better lift. Rated for systems under 350 lbs open spring pressure, it provides a durable upgrade intended to increase power over stock-style rockers.
COMP Cams Magnum Roller Rocker CS 1.6 1
