Cylinder Head Accessories
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Cometic LS 4.000 Bore MLS Head Gasket C5477-045
COMETIC
$87.95Cometic 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 of...C5477-045$87.95 -
Manley Titanium 8mm x 2.205 LS7 Intake Valves w/ CrN Seat Coating 11958BC-8
MANLEY
$1,427.90Manley Titanium 8mm x 2.205 LS7 Intake Valves w/ CrN Seat Coating 11958BC-8 These valves have an O.E. style single radius keeper groove. “C” suffix indicates CrN seat coating Use Manley valve lock P/N 13098-16 (7°) or 13153-16...11958BC-8$1,427.90 -
Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15363-040, Left Side
COMETIC
$118.74Cometic 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$118.74 -
Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15362-040, Right Side
COMETIC
$118.74Cometic 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$118.74 -
On Sale
LSXceleration XF3 Billet Rocker Arm Stand 15-XF3RS
LSXCELERATION
Now: $53.96Was: $59.95LSXceleration XF3 Billet Rocker Arm Stand 15-XF3RS Rocker arm stand for LSXceleration XF3 cylinder heads. These will not work with OEM heads. Features: 6061 aircraft grade aluminum Made in the USA15-XF3RSNow: $53.96Was: $59.95 -
On Sale
LSXceleration Inconel 8mm x 1.600 LS Exhaust Valve +0.500 Long
LSXCELERATION
Now: $52.20Was: $58.00LSXceleration Inconel 8mm x 1.600 LS Exhaust 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...15-31600-5450-1Now: $52.20Was: $58.00 -
On Sale
LSXceleration Stainless Steel 8mm x 1.600 LS Exhaust Valve +0.500 Long
LSXCELERATION
Now: $21.20Was: $23.56LSXceleration Stainless Steel 8mm x 1.600 LS Exhaust 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...15-21600-5450-1Now: $21.20Was: $23.56 -
On Sale
LSXceleration Stainless Steel 8mm x 2.165 LS Intake Valve +0.500 Long
LSXCELERATION
Now: $22.28Was: $24.75LSXceleration 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...15-22165-5450-1Now: $22.28Was: $24.75 -
GM LS Head Studs 8740 Material - 1997-2003, 12-Point
Bous
$145.97GM 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$145.97 -
Chevrolet Performance Coolant Crossover Pipe 12694769
CHEVROLET PERFORMANCE
$68.99Chevrolet Performance Coolant Crossover Pipe 12694769 Front cylinder head steam bleed tube. Includes O-rings in the fittings that bolt to the heads.12694769$68.99 -
Chevrolet Performance Steam Crossover Bolt 11588714
CHEVROLET PERFORMANCE
$6.99Chevrolet Performance Steam Crossover Bolt 11588714 6mm x 1.0 x 1.181" UHL11588714$6.99 -
Chevrolet Performance Coolant Air Bleed Plug 12602540
CHEVROLET PERFORMANCE
$25.79Chevrolet Performance Coolant Air Bleed Plug 1260254012602540$25.79