GM CYLINDER HEAD GASKETS & HEAD BOLTS12498543 Cylinder Head Gasket Kit (not shown) • Two head gaskets for 1997–2001 LS1 Camaro/Firebird and Corvette engines • Also fits 2001 LS6 Corvette engine 12498544 Cylinder Head Gasket Kit (not shown) • Two head gaskets for 2002–2004 LS1Camaro/Firebird and Corvette engines 12498545 Cylinder Head Bolt Kit (1997–2003) (not shown) • Kit of 15 head bolts for 1998–2003 LS1 Camaro/Firebird and 1997–2003 Corvette; and 2001–2003 LS6 Corvette • One kit per cylinder head. Order two per engine. • Head bolts cannot be reused on these engines IMPORTANT!! LS Series engines produced from January 2004 forward on have a new, “short”-style head bolt design. Earlier head bolts WILL NOT fit. Order 17800568 for engines produced from January 2004 and after. 17800568 Cylinder Head Bolt Kit (not shown) • Kit of 15 bolts for LS Series engines produced from January 2004 and later • Bolts are 5mm shorter than previous design A. 12499217 LS1 Cylinder Head Installation Kit (F-Car) • Comprehensive cylinder head installation kit for 2002 Camaro and Firebird models equipped with the LS1 engine
• Kit includes two head gaskets, two valve cover gaskets, eight intake manifold gaskets, two exhaust manifold gaskets, two intake manifold-to-block seals, 16 cylinder head bolts and 14 cylinder head bolt/screws
12499218 Corvette LS1/LS6 Cylinder Head Installation Kit (not shown) • Comprehensive cylinder head installation kit for 2002–2005 Corvette models equipped with the LS1engine, or 2002–2004 Corvette models equipped with the LS6 engine
• Kit includes two head gaskets, two valve cover gaskets, eight intake manifold gaskets, two exhaust manifold gaskets, two intake manifold-to-block seals, 16 cylinder head bolts and 14 cylinder head bolt/screws GM VALVE LIFTERS 12499225 LS Series Camshaft Lifter Kit (not shown) • Set of 16 lifters for LS Series engines • Same lifter used in LS2 and LS717803305 Lifter Guide Kit (not shown) • Includes lifter guides and 4 bolts • Makes for quick and easy cam swaps without having to remove the intake manifold, valley plate or heads
• Works in Gen III and IV applications (except with AFM) B. 88958689 NEW Racing Hydraulic Roller Lifter Kit • As developed by GM Racing and GM Powertrain • For use in Gen III and Gen IV engines where sustained high rpm’s are typical
• Special reduced-mass internal components allow for higher limiting speeds with aggressive camshaft designs • Improved valvetrain dynamics and stability will improve horsepower, and high rpm’s • Tested to 8000 rpm in GM Racing applications • Set of 16
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