LS3 Cylinder Heads

AFR LS3 Enforcer 238cc Cylinder Heads As Cast AFR's 238 LS3 Enforcer Cylinder heads feature Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and...

AFR Mongoose LS3 260cc CNC Cylinder Heads 4-Bolt AFR’s 260cc LS3 “Mongoose” heads feature 100% CNC ported intake, exhaust and chambers using our advanced engineering and flow techniques to produce the ultimate Rectangle Port head...

AFR Mongoose LS3 260cc CNC Cylinder Heads 6-Bolt AFR’s 260cc LS3 “Mongoose” heads feature 100% CNC ported intake, exhaust and chambers using our advanced engineering and flow techniques to produce the ultimate Rectangle Port head...