Add to Cart Compare LSXceleration Stainless Steel 8mm x 1.590 LS Exhaust Valve 15-21590-1 LSXCELERATION MSRP: Now: $12.00 Was: 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... 15-21590-1 MSRP: Now: $12.00 Was: Add to Cart Compare
Add to Cart Compare LSXceleration Stainless Steel 8mm x 1.590 LS Exhaust Valve Set 15-21590-8 LSXCELERATION MSRP: Now: $96.00 Was: 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... 15-21590-8 MSRP: Now: $96.00 Was: Add to Cart Compare
Add to Cart Compare Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15363-040, Left Side COMETIC MSRP: Now: $103.56 Was: Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15363-040, Left Side Dart LS Next 4.200" Bore. 0.040" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder... C15363-040 MSRP: Now: $103.56 Was: Add to Cart Compare
Add to Cart Compare Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15362-040, Right Side COMETIC MSRP: Now: $103.56 Was: Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15362-040, Right Side Dart LS Next 4.200" Bore. 0.040" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder... C15362-040 MSRP: Now: $103.56 Was: Add to Cart Compare
Add to Cart Compare LSXceleration LS3 Billet Rocker Arm Stand 15-LS3RS LSXCELERATION MSRP: Now: $45.97 Was: LSXceleration LS3 Billet Rocker Arm Stand 15-LS3RS Rocker arm stand for LSXceleration LS3 cylinder heads. May be used on factory LS3 heads as well. Features: 6061 aircraft grade aluminum Made in the USA 15-LS3RS MSRP: Now: $45.97 Was: Add to Cart Compare
Add to Cart Compare LSXceleration Inconel 8mm x 1.600 LS Intake Valve +0.500 Long LSXCELERATION MSRP: Now: $58.00 Was: LSXceleration Inconel 8mm x 1.600 LS Intake Valve +0.500 Long Inconel LS Valve 1.600" Head x 8mm Stem x 5.450" OAL x 0.290" Tip Features: Hardened Stem Tip Ideal for Extreme Duty and Turbo Applications Chrome Plated Stem Fully... 15-31600-5450-1 MSRP: Now: $58.00 Was: Add to Cart Compare
Add to Cart Compare LSXceleration Stainless Steel 8mm x 1.600 LS Intake Valve +0.500 Long LSXCELERATION MSRP: Now: $23.56 Was: LSXceleration Stainless Steel 8mm x 1.600 LS Intake Valve +0.500 Long Stainless Steel LS Valves 1.600" Head x 8mm Stem x 5.450" OAL x 0.290" Tip Features: Hardened Stem Tip Chrome Plated Stem Fully Machined Surface Swirl... 15-21600-5450-1 MSRP: Now: $23.56 Was: Add to Cart Compare
Add to Cart Compare LSXceleration Stainless Steel 8mm x 2.165 LS Intake Valve +0.500 Long LSXCELERATION MSRP: Now: $24.75 Was: LSXceleration Stainless Steel 8mm x 2.165 LS Intake Valve +0.500 Long Stainless Steel LS Valves 2.165" Head x 8mm Stem x 5.450" OAL x 0.290" Tip Features: Hardened Stem Tip Chrome Plated Stem Fully Machined Surface Swirl Polished Undercut... 15-22165-5450-1 MSRP: Now: $24.75 Was: Add to Cart Compare
Add to Cart Compare GM LS Head Studs 8740 Material - 1997-2003, 12-Point Bous MSRP: Now: $145.97 Was: GM LS Head Studs 8740 Material - 1997-2003, 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... 3107 MSRP: Now: $145.97 Was: Add to Cart Compare
Add to Cart Compare Cometic LS 4.200 Bore MLS Head Gasket w/SEG Rings, C15542-051 COMETIC MSRP: Now: $228.99 Was: Cometic LS 4.200 Bore MLS Head Gasket w/SEG Rings, C15542-051 LS 4.200" Bore. 0.051" Compressed Thickness w/ SEG (Spring Energized Gasket) Rings, 4 Bolt Kit Extreme Sealing for High Horsepower Forced Induction Applications The... C15542-051 MSRP: Now: $228.99 Was: Add to Cart Compare
Add to Cart Compare Cometic LS 4.150 Bore MLS Head Gasket w/SEG Rings, C15540-051 COMETIC MSRP: Now: $228.99 Was: Cometic LS 4.150 Bore MLS Head Gasket w/SEG Rings, C15540-051 LS 4.150" Bore. 0.051" Compressed Thickness w/ SEG (Spring Energized Gasket) Rings, 4 Bolt Kit Extreme Sealing for High Horsepower Forced Induction Applications The... C15540-051 MSRP: Now: $228.99 Was: Add to Cart Compare
Add to Cart Compare Cometic LSX 4.200 Bore MLS Head Gasket w/SEG Rings, Left Side C15538-051 COMETIC MSRP: Now: $228.99 Was: Cometic LSX 4.200 Bore MLS Head Gasket w/SEG Rings, Left Side C15538-051 LSX 4.200" Bore. 0.051" Compressed Thickness w/ SEG (Spring Energized Gasket) Rings, 6 Bolt Kit, LHS Extreme Sealing for High Horsepower Forced Induction Applications The... C15538-051 MSRP: Now: $228.99 Was: Add to Cart Compare