Single SB Chevy Comp Cams Magnum Roller Tip Steel Rocker Arms-1.5 Ratio-3/8" Stud
Chevrolet V8 265-400 Rocker Stud: 3/8 Ratio: 1.52 . This is a single Comp Cams Magnum 8620 Chrome Moly Steel Roller Rocker Arms.
- Ultimate street rocker arm designed with the serious performance enthusiast in mind
- Made from 8620 chromemoly steel, a superior material that will not flex
- 15 to 30 horsepower increase over conventional rocker arms
- Friction reducing roller tip, stiff design and precision ratios yield more effective valve lift
- Perfect for use in any application with less than 350 lbs. open spring pressure