Cylinder Heads

Ferrea Competition Plus Hollow Stem 8mm x 2.200 LS7 Intake Valves These Hollow Stem Lightweight Valves are manufactured with a unique process that gun drill and micro polish the hollow stem cavity. These valves achieve a weight reduction of...

Holley LS Steam Tube Kit 26-551 Steam Vent Adapters & kits. They are designed to eliminate trapped air and steam from your engine to prevent hot spots or overheating. The complete kits are available to plumb your LS engine and include the appropriate...

LSXceleration XF3 LS3 280cc/68cc 11° CNC Cylinder Heads - Titanium Intake, Inconel Exh, 0.660" Lift, Titanium Retainers 15-361433-2 6-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Rocker Stands. Features: 6 bolt casting 11° Valve...

Manley Race Master Stainless 8mm x 1.600 LS Exhaust Valves 12353-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance and Racing...

Manley LS1/LS2/LS6 Severe Duty Stainless 8mm x 1.575 Exhaust Valves 11675-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance and Racing...

Manley LS3/LS92/LS99 Severe Duty Stainless 8mm x 1.590 Exhaust Valves 11661-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance and Racing...

Manley Severe Duty Stainless 8mm x 1.615 LS7 Exhaust Valves 11679-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance and Racing...

SCE Gen V LT 4.200 Bore Vulcan Cut-Ring Head Gasket CR272055 Gen V LT1 LT2, LT4, L86, L87, L8T 4.200" Gasket Bore x 0.055" Compressed Thickness. Sold individually. A hybrid design forged to harness the best sealing properties of two head gasket types...

SCE LSX 4.174 Bore Vulcan Cut-Ring Head Gasket CR191759L LSX 4.174" Gasket Bore x 0.059" Compressed Thickness. Sold individually. A hybrid design forged to harness the best sealing properties of two head gasket types. COMPOSITE - Pliable, perforated...

AFR Mongoose LS 245cc Cathedral Port CNC Cylinder Heads AFR’s 245cc LS1/LS2/LS6 “Competition” ported heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers and high quality components...

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...

ARP 2000 Pro Series GM LS Thread Repair Head Stud Kit 234-4348 - 2004-Up  ARP has released an LS stud that’s 1/2" in the block and 7/16" above for helping save the blocks with damaged threads. These are made from 2000 series material and call...