Cylinder Heads

Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15363-044, Left Side Dart LS Next 4.200" Bore. 0.044" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder...

Cometic LS 3.910 Bore MLS Head Gasket C5475-070 LS 3.910" Bore. 0.070" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed outer layers of...

Cometic LSX 4.100 Bore MLx Head Gasket C5075-040, Right Side LSX 4.100" Bore. 0.040" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore...

Optional 1/2" Head Stud Kit For Aluminum LS Next Block - 23 Bolt

Ferrea 6000 Series 8mm x 2.020 Super Flo LS Intake Valves Competition swirl-polished valves with higher fatigue resistance and tensile strengths than the competitors’ best offering. These valves are made to withstand high spring pressure, roller...

Ferrea 6000 Series 8mm x 2.020 Super Flo LS Intake Valves +.100 Long Competition swirl-polished valves with higher fatigue resistance and tensile strengths than the competitors’ best offering. These valves are made to withstand high spring...

Manley LS1/LS2/LS6 Extreme Duty Stainless 8mm x 1.600 Exhaust Valves 11683-8 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 2.165 LS Intake Valves 12354-8 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 applications...

AFR Enforcer LS 5.3L 210cc Cathedral Port Cylinder Head As Cast AFR's 210 LS1 Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for...

ARP 2000 Pro Series GM LSA Head Stud Kit 234-4346 - 12-Point These ARP Pro Series Head Bolts are made of 2000 (210,000 psi tensile strength) material and utilize a 12-point head. They are cold-forged and heat treated prior to thread rolling and...

ARP 8740 Pro Series GM LS1 Head Bolt Kit 234-4110 - Hex (1997-2003) These ARP Pro Series Head Bolts are made of 8740 (190,000 psi tensile strength) material and utilize a hex head. They are cold-forged and heat treated prior to thread rolling and...

Cometic Gen V LT1/4 4.200 Bore MLx Head Gasket C15202-060 Gen V LT1/LT4 4.200" Bore. 0.060" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without...