Cylinder Head Accessories
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Stock Replacement GM LS 1.590 Exhaust Valve 15-1590
LSXCELERATION
$9.95Stock Replacement GM LS 1.590 Exhaust Valve 15-159015-1590$9.95 -
LSXceleration GM Gen V LT1/L86 6.2L MLS 5-Layer Head Gasket 14-88943
LSXCELERATION
$44.97LSXceleration GM Gen V LT1/L86 6.2L MLS 5-Layer Head Gasket 14-88943 (Like GM 12688943) 4.0944" (104mm) bore x .0523" (1.33mm) thickness x 5-layer MLS.14-88943$44.97 -
LSXceleration Head Bolt Kit for GM LS '97-'03 (12498545)
LSXCELERATION
$50.00LSXceleration Head Bolt Kit for GM LS '97-'03 (12498545) One Kit Services Complete Engine Torque Procedure for GM LS Head Bolts #158545-KIT 1. Tighten 1 thru 10 to 22Ft-Lbs (30NM) in sequence 2. Tighten 1 thru 10 using the Torque Angle Method to...158545-KIT$50.00 -
LSXceleration Stainless Steel 8mm x 2.165 LS Intake Valve +0.500 Long
LSXCELERATION
$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 Stem 21...15-22165-5450-1$24.75 -
LSXceleration Gen V LT4 MLS 7-Layer Head Gasket 14-54622
LSXCELERATION
$45.95LSXceleration Gen V LT4 MLS 7-Layer Head Gasket 14-54622 (Like GM 12654622) 4.0944" (104mm) bore x .053" (1.35mm) thickness x 7-layer MLS This is an OEM LT4 head gasket. Works great for LT1 and L86 engines as well.14-54622$45.95 -
LSXceleration Stainless Steel 8mm x 1.550 LS Exhaust Valve 15-21550-1
LSXCELERATION
$12.00LSXceleration Stainless Steel 8mm x 1.550 LS Exhaust Valve 15-21550-1 Stainless Steel LS Valves 1.550" Head x 8mm Stem x 4.915" OAL x 0.160" Tip Features: Hardened Stem Tip Chrome Plated Stem Fully Machined Surface Swirl Polished Undercut...15-21550-1$12.00 -
LSXceleration Stainless Steel 8mm x 2.000 LS Intake Valve 15-22000-1
LSXCELERATION
$12.00LSXceleration Stainless Steel 8mm x 2.000 LS Intake Valve 15-22000-1 Stainless Steel LS Valves 2.000" Head x 8mm Stem x 4.870" OAL x 0.160" Tip Features: Hardened Stem Tip Chrome Plated Stem Fully Machined Surface Swirl Polished Undercut...15-22000-1$12.00 -
LSXceleration Stainless Steel 8mm x 1.600 LS Exhaust Valve +0.500 Long
LSXCELERATION
$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 Polished...15-21600-5450-1$23.56 -
Chevrolet Performance Gen V L83, L86, LT1, LT4 Head Bolt 11546959
CHEVROLET PERFORMANCE
$4.99Chevrolet Performance Gen V L83, L86, LT1, LT4 Head Bolt 11546959 19 needed per engine11546959$4.99 -
ARP 8740 Pro Series GM LS Head Bolt Kit 134-3610 - 2004 & Up, Hex
ARP
$133.51ARP Hex Head, 8740, Pro Series LS Head Bolt Kit 134-3610 - 2004 & Up Except LS9 (Same Primary Bolt Length) 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...134-3610$133.51 -
Stock Replacement Gen V L83 1.556 Exhaust Valve
LSXCELERATION
$9.95Stock Replacement Gen V L83 1.556 Exhaust Valve15-1556$9.95 -
LSXceleration Inconel 8mm x 1.600 LS Exhaust Valve +0.500 Long
LSXCELERATION
$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 Machined...15-31600-5450-1$58.00