Cylinder Head Accessories

ARP 8740 Pro Series GM LSA Head Bolt Kit 134-3713, 12-Point 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 machining...

Cometic LS 3.910 Bore MLS Head Gasket C5475-060 LS 3.910" Bore. 0.0660" 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...

Cometic LS 4.060 Bore Street Pro Top End Gasket Kit PRO1041T 2001-07 6.0L Truck/Van/SUV 4.060" Bore COMETIC StreetPro Kits cater to the budget-minded street-rodder who is looking to purchase a kit with all necessary gaskets and seals needed for their...

Cometic LSX 4.185 Bore MLS Head Gasket C5935-036, Right Side LSX 4.185" 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 outer...

Cometic LSX 4.185 Bore MLS Head Gasket C5936-036, Left Side LSX 4.185" 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 outer...

Optional 1/2" Head Stud Kit For Iron LS Next Block - 15 Bolt

Ferrea 6000 Series 8mm x 2.165 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...

LSXceleration Inconel 8mm x 1.550 LS Exhaust Valves 15-31550-8 Inconel LS Valve 1.550" Head x 8mm Stem x 4.915" OAL x 0.160" Tip Features: Hardened Stem Tip Ideal for Extreme Duty and Turbo Applications Chrome Plated Stem Fully Machined...

Manley LS3/LS92/LS99 Severe Duty Stainless 8mm x 2.165 Intake Valves 11686-8 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...

Point One P1 GM LS Main Stud Kit K003-M03E, 12-Point These fit Gen 3, Gen 4 LS and LSX Blocks Point One E190 Head Studs boast a 190,000psi nominal tensile strength, crafted from premium-quality steel from US mills. All fasteners are individually racked...

SCE LSX 4.150 Bore Vulcan Cut-Ring Head Gasket CR191559L LSX 4.150" 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...

SCE LSX 4.150 Bore Vulcan Cut-Ring Head Gasket CR191559R LSX 4.150" 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...