12498543
Cylinder Head Gasket Kit
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Two head gaskets for 1997-2001 LSl Camaro/Firebird and Corvette engines
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Also fits 2001 LS6 Corvette engine

12498544
Cylinder Head Gasket Kit
• Two head gaskets for 2002-2004 LS1Camaro/Firebird and Corvette engines

A. 19170418 lSX 4.100 Bore MlS Head Gasket Kit
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Multi-layer steel gaskets for naturally aspirated and forced induction applications
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0.051 ' thick
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Includes (1) LH and (1) RH gasket
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For standard LS and LSX 6-bolt pattern blocks and heads
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For bores up to 4.100'

19170419
lSX 4.200 Bore MlS Head Gasket Kit (not shown)
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Multi-layer steel gaskets for naturally aspirated and forced induction applications
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0.051' thick
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Includes (1) LH and (1) RH gasket
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For standard LS and LSX 6-bolt pattern blocks and heads
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For bores up to 4 200'

19170420 lSX 4.250 Bore MlS Head Gasket Kit
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Multi-layer steel gaskets for naturally aspirated and forced induction applications
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0.051 ' thick
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Includes (1) LH and (1) RH gasket
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For standard LS and LSX 6-bolt pattern blocks and heads
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For bores up to 4.250'

12498545
Cylinder Head Bolt Kit (1997-2003)
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Kit of 15 head bolts for 1998-2003 LSl Camaro/Firebird and 1997-2003 Corvette; and 2001-2003 LS6 Corvette
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One kit per cylinder head; order two per engine
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Head bolts cannot be reused on these engines

IMPORTANT!! LS series engines produced from January 2004 forward have a new,
"short-stv1e" head bolt design. Earlier head bolts fit. Order PIN 17800568 for engines produced from January 2004 and after.
17800568
Cylinder Head Bolt Kit, Gen III and Gen IV (not shown)
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Kit of 15 bolts for LS series engines produced from January 2004 and later
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Bolts are 5mm shorter than previous design

B. 12499217 lS1 Cylinder Head Installation Kit (F-Car)
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Comprehensive cylinder head installation kit for 2002 Camaro and Firebird models equipped with the LSl engine
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Kit includes 2 head gaskets. 2 valve cover gaskets. 8 intake manifold gaskets. 2 exhaust manifold gaskets. 2 intake manifold-to-block seals. 16 cylinder head bolts and 14 cylinder head bolt/screws

12499218
Corvette LSl/lS6 Cylinder Head Installation Kit (not shown)
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Comprehensive cylinder head installation kit for 2002-2005 Corvette models equipped with the LSl engine. or 2002-2004 Corvette models equipped with the LS6 engine
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Kit includes 2 head gaskets. 2 valve cover gaskets. 8 intake manifold gaskets. 2 exhaust manifold gaskets. 2 intake manifold-to-block seals, 16 cylinder head bolts and 14 cylinder head bolt/screws

12589226
LS1/LS6 Head Gasket (not shown)
Single gasket. (21required For LS1, and LS6 engines
051' thick
3.92" max bore
Standard LS bolt pattern

12589227
LS2, L76 Head Gasket
Single gasket. (21 required For LS2 engines .051 ' thick 4.02' max bore Standard LS bolt pattern

12610046
LS3, L92 Head Gasket
Single gasket. (2) required
For LS3 and L92 engines
051' thick
4.080' max bore
Standard LS bolt pattern

12582179
LS7 Head Gasket
Single gasket. (21 required For LS7 engines .051' thick 4.140' max bore Standard LS bolt pattern