Cylinder Head Accessories

LSXceleration Stainless Steel 8mm x 2.050 LS Intake Valve 15-22050-1 Stainless Steel LS Valves 2.050" Head x 8mm Stem x 4.870" OAL x 0.160" Tip x 45 degree seat angle Features: Hardened Stem Tip Chrome Plated Stem Fully Machined Surface Swirl...

Manley Gen V LT1 Race Series Stainless 8mm x 2.120 Intake Valves 12348-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Race Series Stainless Steel Valves were engineered for Street Performance and Racing...

Manley Gen V LT1 Severe Duty Stainless 8mm x 1.590 Exhaust Valves 12347-8 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...

ARP 2000 Pro Series GM LS1 Head Stud Kit 234-4344 - 12-Point These ARP Pro Series Head Bolts are made of 2000 (210,000 psi tensile strength) material and utilize a 12-point nut. They are cold-forged and heat treated prior to thread rolling and...

ARP CA625+ Pro Series GM LS Head Stud Kit 234-4314 - 2004 & Up, 12-Point These ARP Pro Series Head Bolts are made of Custom Age 625 Plus (260,000 -280,000 psi tensile strength) material and utilize a 12-point head. They are cold-forged and heat...

Cometic Gen V LT1/4 4.100 Bore MLx Head Gasket C5038-064 Gen V LT1/LT4 4.100" Bore. 0.064" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without...

Cometic Gen V LT1/4 4.150 Bore MLx Head Gasket C15203-060 Gen V LT1/LT4 4.150" Bore. 0.060" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without...

Cometic LS 3.910 Bore MLS Head Gasket C5475-075 LS 3.910" Bore. 0.075" 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 4.125 Bore MLS Head Gasket C5933-036, Right Side LSX 4.125" Bore. 0.036" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed...

Cometic LSX 4.125 Bore MLS Head Gasket C5933-040, Right Side LSX 4.125" Bore. 0.040" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed...

Cometic LSX 4.125 Bore MLS Head Gasket C5934-036, Left Side LSX 4.125" Bore. 0.036" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed...

LSXceleration Stainless Steel 8mm x 1.570 LS Exhaust Valve 15-21570-1 Stainless Steel LS Valves 1.570" Head x 8mm Stem x 4.915" OAL x 0.160" Tip x 45 degree valve seat angle Features: Hardened Stem Tip Chrome Plated Stem Fully Machined...