AFR 260cc LS3 “Mongoose” Cylinder Heads feature 100% CNC ported intake, exhaust and chambers using our advanced engineering and flow techniques to produce the ultimate Rectangle Port head currently available. Featuring A356 aluminum castings, titanium retainers and the highest quality components, throughout, they’re designed for 4.000 or larger bore applications up to 454 CI, operating at up to 7000 RPM. Emissions legal for 2007 to 2016 6.2L LS engines under CARB #D-250-5.
