AFR's 210 LS1 Enforcer Cylinder Heads feature our Permanent Mold As-Cast Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your OEM engine operating below 6300 RPM. AFR LS1 Stock GM Rocker Arms - GM Rocker Arms are not designed/engineered to accommodate aftermarket cams or higher spring pressures. At a minimum AFR recommends using Bushing Trunion Kit. Other available options are aftermarket kits from Yella Terra, Scorpion or Hardland Sharp. Without the proper parts you will experience accelerated guide wear. AFR 1502 LS1 210 Enforcer Heads, Cathedral Port, Bare. AFR's 210 LS1…