Cylinder Head Accessories

ARP 2000 Pro Series GM LSA Head Bolt Kit 234-3726, 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...

LSXceleration Stainless Steel 8mm x 2.000 LS Intake Valve Set 15-22000-8 Stainless Steel LS Valves 2.000" Head x 8mm Stem x 4.870" OAL x 0.160" Tip x 45 degree seat angle Features: Hardened Stem Tip

LSXceleration Stainless Steel 8mm x 2.020 LS Intake Valve Set 15-22020-8 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

LSXceleration Stainless Steel 8mm x 2.050 LS Intake Valve Set 15-22050-8 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

LSXceleration Stainless Steel 8mm x 1.550 LS Exhaust Valve Set 15-21550-8 Stainless Steel LS Valves 1.550" Head x 8mm Stem x 4.915" OAL x 0.160" Tip x 45 degree valve seat angle Features: Hardened...

Copy of LSXceleration Stainless Steel 8mm x 1.570 LS Exhaust Valve Set 15-21570-8 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: ...

LSXceleration Stainless Steel 8mm x 1.600 LS Exhaust Valve Set 15-21600-8 Stainless Steel LS Valves 1.600" Head x 8mm Stem x 4.915" OAL x 0.202" Tip x 45 degree valve seat angle Features: Hardened...

LSXceleration Stainless Steel 8mm x 1.600 LS Exhaust Valve 15-21600-1 Stainless Steel LS Valves 1.600" Head x 8mm Stem x 4.915" OAL x 0.202" Tip x 45 degree valve seat angle Features: Hardened...

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...

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

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

LSXceleration GM LS7 MLS 3-Layer Head Gasket 14-82179 4.153" (105.5mm) bore x .052" (1.33mm) thickness x 3-layer MLS. Same as Chevrolet Performance 12582179.