AFR LSx 230cc Fully CNC Ported Cylinder Heads, 72cc Chambers, Big Bore, Complete w/Parts
Cylinder Head - LSx Mongoose Street - Assembled - 2.08/1.60 in Valves - 230 cc Intake - 72 cc Chamber - 1.270 in Spring - Alum - GM LS-Series - PAIR
AFR's 230cc LSX heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers and high quality components throughout. Recommended for aggressive street or street/strip builds with displacements up to 427 cubic inches, operating up to 6500 RPM. Requires minimum 3.900 bore size for intake valve clearance. Legal for 2005 and older emissions controlled vehicles under CARB EO #D-250-4.