Cylinder Head Accessories

LSXceleration MLS Head Gasket Set 14-98544 - 5.3L, 5.7L (Like GM 12498544) 3.937" Bore x 0.052" Compressed Thickness Multi-layer steel (MLS) cylinder head gaskets.    

LSXceleration Stock Replacement GM LS 1.55 Exhaust Valve    

LSXceleration GM LS3 MLS 5-Layer Head Gasket 14-10046 4.094" (104mm) bore x .052" (1.33mm) thickness x 5-layer MLS. Same as Chevrolet Performance 12610046.    

LSXceleration GM Gen V L83 5.3L MLS 5-Layer Head Gasket 14-22325 (Like 12622325) 3.835" (97.4mm) bore x .052" (1.33mm) thickness x 5-layer MLS. Made in Germany.    

LSXceleration OE Replacemant Head Bolts for GM LS '04 & Up (Like GM # 17800568) One Kit Services Complete Engine Torque Procedure for GM LS Head Bolts #150568-KIT 1. Tighten 1 thru 10 to 22Ft-Lbs (30NM) in sequence 2. Tighten 1 thru 10 using the...

Stock Replacement 2.000 Intake Valve   

LSXceleration Gen V L83, L86, LT1, LT4 Head Bolt Kit 1 kit needed per engine. 

LSXceleration OEM Replacement Valve Guide 15-3053 Replacement valve guide. Intake or Exhaust; 2.115 OAL. 0.3154 I.D. 0.500 O.D.  

Stock Replacement 1.890 Intake Valve   

LSXceleration GM LS9 MLS 7-Layer Head Gasket 15-22033 4.100" bore x .053" thickness x 7-layer MLS. Made in Germany.    

LSXceleration 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.     

Chevrolet Performance LS/LT Cylinder Head Dowel 12570326 Cylinder Head Dowel Pin, Chevy, Small Block, LS & LT Engines, Each