Comp Cams 12-600-8 Thumpr 227/241 Hydraulic Roller Cam for Chevrolet Small Block, camshaft only
- High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle..
- 227/241 Duration at .050". 107 Degree Lobe Separation Angle.
- Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Best with aftermarket converters and more rear gear..