COMP Cams Rocker Arms348/409 Chevy 1.7

If you're working on a Chevrolet 348 or 409 V8 engine, these Ultra Pro Magnum roller rocker arms from COMP Cams are a solid choice for improved performance and durability. They're designed to handle the demands of a performance build, offering a 1.7 ratio for increased valve lift. This set is specifically made for engines using a 3/8" stud, common in many classic Chevy applications like the Impala, Chevelle, and Camaro.

These rockers are constructed from investment cast 8650 chromemoly steel, giving them a strong and rigid structure that also helps reduce rotational mass. COMP Cams uses an arched, web-like design to further enhance strength while optimizing balance. The black oxide exterior finish not only looks good but also helps prevent corrosion, adding to their longevity. Inside, you'll find oversized trunnions, precision-sorted needle bearings, and hardened roller tips, all contributing to smooth operation and dependable performance under pressure. They're built to handle up to 850 lbs of open spring pressure, and the optimized clearances mean they work well with most common spring diameters, retainers, and +.050" locks without clearance issues.

COMP Cams stands behind these rocker arms with a lifetime warranty against breakage, underscoring their confidence in the product's strength. This set is a well-built component for anyone looking to get the most out of their classic Chevy V8 engine.