Description
Isky Cams Hydraulic Series Camshaft SB Chevy SL 1 Hydraulic Grind RPM Range 2000 6500 RPM .390" 410" Lift, 268 272, 228 232, 108 Lobe Center HS310320 1991 1995 GMC C2500 WEI7155 1991 1995 GMC C2500 or potential oxygen sensor issues Hydraulic Flat Tappet The testing is completed under actual racing and street conditions that our customers may encounter