Description
GM C10 FRONT BRAKE DRUM 60 61 62 63 64 65 66 67 68 69 70 # AD 8626 Rate_20 Chev 350 COMP Cams Thumpr Chev 350 COMP Cams Thumpr Retrofit Hydraulic Roller Camshaft # CC12 602 8 500 rpm will give you less stall speed than the stall speed ratings indicated