AFR Chevy 210cc Enforcer As-Cast LS1 Cylinder Head, 64cc Chambers, Bare, No Parts

AFR's 210 LS1 Enforcer Cylinder Head features their Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allow for extremely accurate and repeatable port location/performance. This budget-friendly head is perfect for your 3.780" Bore OEM engine operating below 6300 RPM.

They come fully assembled with the identical components found in their higher-end CNC ported cylinder head; such as PAC Racing springs, Viton valve seals, machined bead valve locks (not stamped), hardened spring seats and ductile iron seats (not powdered metal) their one-piece 8mm 21 4N Stainless Steel valves. They are available without any parts for the DIY.

Sold as a single piece, 2 pieces required per engine. These heads are bare part number for fully assembled #AFR 1506

*Additional Information: This head accepts factory rocker arm rails, we highly recommend getting a trunnion upgrade kit if your reusing stock rocker arms or aftermarket roller rocker set like Yella Terra, Scorpion or Harland Sharp. Without doing these upgrades you will experience accelerated valve guide wear. This head only features center bolt valve cover pattern for those looking to use 1997-1998 perimeter bolt valve covers you must use a conversion kit.