Cylinder Head Accessories

LSXceleration OE Replacemant Head Bolts for GM LS '04 & Up (Like GM # 17800568) 2 bolt kits needed per engine (1 Bolt kit does 1 cylinder head).

GM LS Head Studs 8740 Material - 2004-Up, 12-Point These Head Studs are made of 8740 (190,000 psi tensile strength) material and utilize a 12-point head. Suggested use in OEM replacement, street, non boosted applications.  Recommended torque...

LSXceleration OE Replacemant Head Bolts for GM LS '97-'03 (Like GM # 12498545) 2 bolt kits needed per engine (1 Bolt kit does 1 cylinder head).

Cometic LS 4.100 Bore MLS Head Gasket C5489-040 LS 4.100" 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 outer layers of...

LSXceleration LS1/LS2 Billet Rocker Arm Stand 15-LS1RS Rocker arm stand for OEM LS Cathedral Port Heads. This billet rocker stand replaces GM #12552203. Features: 6061 aircraft grade aluminum Made in the USA       

ARP Hex Head, 8740, Pro Series LS1 Head Bolt Kit 134-3609 - 1997-2003 W/ 2 Primary Bolt Lengths 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...

Cometic LSX 4.165 Bore MLx Head Gasket C5702-052, Right Side LSX 4.165" Bore. 0.052" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore...

Cometic Gen V LT1/4 4.150 Bore MLx Head Gasket C15203-051 Gen V LT1/LT4 4.150" Bore. 0.051" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without...

Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15363-052, Left Side Dart LS Next 4.200" Bore. 0.052" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder...

Cometic LSX 4.165 Bore MLx Head Gasket C5703-052, Left Side LSX 4.165" Bore. 0.052" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore...

LSXceleration Stainless Steel 8mm x 2.020 LS Intake Valve 15-22020-1 Stainless Steel LS Valves 2.020" 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...

Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15362-052, Right Side Dart LS Next 4.200" Bore. 0.052" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder...