Cylinder Heads

Cometic Gen V LT1/4 4.150 Bore MLx Head Gasket C15203-040 Gen V LT1/LT4 4.150" Bore. 0.040" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without...

LSXceleration Titanium 8mm x 2.165 LS Intake Valve +0.500 Long   Titanium LS Valves 2.165" Head x 8mm Stem x 5.450" OAL x 0.290" Tip Features: Hardened Stem Tip Fully Machined Surface Swirl Polished Undercut...

Cometic LS 4.000 Bore MLS Head Gasket C5477-045 LS 4.000" Bore. 0.045" 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...

Manley Titanium 8mm x 2.205 LS7 Intake Valves w/ CrN Seat Coating 11958BC-8

LSXceleration XF3 LS3 280cc/68cc 11° CNC Cylinder Heads - Bare 15-341000-2 4-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Rocker Stands. Features: 4 bolt casting (6 bolt available) 11° Valve Angle 0.750" Deck CNC Ported...

LSXceleration Stainless Steel 8mm x 1.590 LS Exhaust Valve 15-21590-1 Stainless Steel LS Valves 1.590" 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...

LSXceleration Stainless Steel 8mm x 1.590 LS Exhaust Valve Set 15-21590-8 Stainless Steel LS Valves 1.590" 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...

LSXceleration CNC Ported LT1 LT2 L86 L87 OEM Cylinder Heads OEM LT1 LT2 L86 L87 GM Castings CNC Ported. Available to purchase out right or with core exchange.  Features: CNC Ported Intake & Exhaust Runners 5-angle Valve Job Available Bare...

LSXceleration XF3 LS3 280cc/68cc 11° CNC Cylinder Heads - Stainless Intake, Inconel Exh, 0.660" Lift, Tool Steel Retainers 15-361232-2 6-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Rocker Stands. Features: 6 bolt casting (4 bolt...

LSXceleration XF3 LS3 280cc/68cc 11° CNC Cylinder Heads - Stainless Intake, Inconel Exh, 0.660" Lift, Steel Retainers 15-361231-2 6-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Rocker Stands. Features: 6 bolt casting (4 bolt...

LSXceleration XF3 LS3 280cc/68cc 11° CNC Cylinder Heads - Stainless Intake, Stainless Exh, 0.660" Lift, Titanium Retainers 15-361223-2 6-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Rocker Stands. Features: 6 bolt casting (4 bolt...

LSXceleration XF3 LS3 280cc/68cc 11° CNC Cylinder Heads - Stainless Intake, Stainless Exh, 0.660" Lift, Steel Retainers 15-361221-2 6-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Rocker Stands. Features: 6 bolt casting (4 bolt...