12498543
Cylinder Head Gasket Kit
•
Two head gaskets for 1997-2001 LSl Camaro/Firebird and Corvette engines
•
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
•
Multi-layer steel gaskets for naturally aspirated and forced induction applications
•
0.051 ' thick
•
Includes (1) LH and (1) RH gasket
•
For standard LS and LSX 6-bolt pattern blocks and heads
•
For bores up to 4.100'

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

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

12498545
Cylinder Head Bolt Kit (1997-2003)
•
Kit of 15 head bolts for 1998-2003 LSl 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 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)
•
Kit of 15 bolts for LS series engines produced from January 2004 and later
•
Bolts are 5mm shorter than previous design

B. 12499217 lS1 Cylinder Head Installation Kit (F-Car)
•
Comprehensive cylinder head installation kit for 2002 Camaro and Firebird models equipped with the LSl engine
•
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)
•
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
•
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

Head Bolts

11562524
Head Bolts 11mm
10 required per cylinder head

12558840
8mm Head bolts
5 required per cylinder head

For LS1, LS2, LS6, LS7 and L92 engines

Stock pushrods

Part Number Material Diameter length Useage Description

12593344 1010 steel 3/8' LS7 Production pushrod.
individually packed

10238852 1010 steel 5/16' LS1. LS2. LS3,LS6, L92
Production pushrod.
individually packed

Valley cover bolts

12560961 Valve Cover Bolt
•Requires 4 per valve cover
•For LS1, LS2 and LS6 engines

11588791 Valve Cover Bolt
•Requires 4 per valve cover
•For LS7 engines

12560696 Valve Cover Gasket
•Requires 1 per valve cover
•For LS2. LS6, LS7 and L92 engines

VALVE LIFTERS & COMPONENTS

12499225 LS Series Camshaft lifter Kit
•Set of 16 lifters for LS series engines
•Same lifter used in LS2 and LS7

17803305 lifter Guide Kit
•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 Gen III and IV applications (except with AFM)

D. 88958689
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 material components allow for higher limiting speeds with aggressive camshaft designs Improved valve train dynamics and stability will improve horsepower, and high rpm 's Tested to 8000 rpm in GM Racing applications
Set of 16

LSx CAMS

Part Number Description Duration lift (deg) Maximum lift (in) (1.7 rocker) Lobe Separation LSA) (deg)

12565308 2002-2004 LS6 CAM I: 204 E: 218 I: .550 E. .550 117.5
Cam requires valve spring PIN 12586484

1256l95O 2001 LS6 CAM I: 207 E: 217 I: .525 E: 116
Cam requires valve spring PIN 12586484

12480110 ASA CAM I: 226 E: 236 1: .525 E: .525 110
Cam requires valve spring PIN "ASA" cam for on-highway use.

12480033 Hot CAM Kit I: 219 E: 228 I: .525 E: .525 112
Kit includes 16 LS6 valve springs PIN 12565117 and retainers

88958733 LS Hot Cam I: 219 E: 228 (1 7 rocker) I: 525 E: 525 112
Same cam as kit PIN 12480033

88958606 Showroom Stock Cam I: 239 E: 251 I: .570 E: .570 106.5

Showroom racing intake PIN 12565311 , hollow stem exhaust PIN

12565312, springs PIN 12586484,and after market notched pistons OR machine stock pistons

12571251 LS7 I: 211 E: 230 (1.8 rocker) I: .591 E: .591 121
Stock LS7 CAM shaft

12561721 L09: 2002-2006 LSI: I: 196 E: 201 I: 467 E. 479 116
Stock cam for 2002-2006 L09 and 2001-2004 LS1 engines

88958722 LS Stage 2 Cam I: 227 E: 239 (1.7 rocker) I: 551 E. 551 108
Max lift 1.8 rockers .583/.583

88958723 LS Stage 3 Cam I: 233 E: 276 (1.7 rocker) I: 595 E: 595 107
Max lift with 1.8 rockers .630/.630

BALANCERS
A smooth running engine depends on an effective balancer or torsional dampener.
A GM Performance Parts damper not only helps your engine run smoothly. it can extend the life of the engine.
Balancers

12576652 Harmonic Balancer
• For L92 engines

A . 12553118 Harmonic Balancer
• For LS1 and LS2 engines

B. 12599862 Harmonic Balancer
• For LS7 engines

12601402 Harmonic Balancer
• For LS3 engines

Balancer Bolts & Washers

12557840 Balancer Bolt
• For LS 1, LS2, LS6 and L92 engines

11570163 Balancer Bolt
• For LS7 engines

12600525 Balancer Washer
• For LS3, LS7 and L92 engines

WATER PUMPS AND ACCESSORIES

C. 12600767 Water Pump
• For L92 engines

D. 89018052 Water Pump
• For LS2, LS3 and LS7 Corvette engines only

89018053 Water Pump
• For LS 1, LS2 and LS6 engines

12610311
Water Pump Gasket
• Requires 2 per engine
•For LS1, LS2, LS3, LS6, LS7 and L92 engines

12551926 Water Pump Bolt

• Requires quantity of 6
• For LS1, LS2, LS3, LS6, LS7 and L92

ACCESSORY DRIVE KITS
19155066 NEW Serpentine Accessory Drive System, with Air Conditioning
•Fits LS 1 and LS6 engines
•
Deluxe kit Includes all the components and hardware necessary to install on an engine with air conditioning, including alternator, power steering pump and idler bracket. (belt included)
The system includes:
12572188 Belt (water pump, alternator, and power steering)
12569528 Belt A/C compressor
12568181 Tensioner Assembly
12560345 A/C Belt Tensioner Assembly
12557334 A/C Compressor Idler Pulley
1137031 A/C Compressor
12556444 A/C Compressor Bracket
15261472 Power Steering Pump (reman)
12555222 Power Steering Bracket
12578068 Alternator and Power Steering Pump Bracket
12555693 Power Steering Pump Brace
12559890 Power Steering Pump Pulley
10353440 Alternator
26046502 Power Steering Reservoir

19155067 NEW Serpentine Accessory Drive System, with Air Conditioning
•Fits LS2 and LS7 engines
•
Deluxe kit included all the components and hardware necessary to install on an engine with air conditioning, including alternator, power steering pump and idler bracket. (belt included)
The system includes:
12579229 Belt (water pump, alternator, and power steering)
12585476 Belt A/C compressor, LS7
12569301 Tensioner Assembly
12595289 A/C Belt Tensioner Assembly
12568996 Idler Pulley
88958093 A/C Compressor
12569286 A/C Compressor Bracket
15261472 Power Steering Pump (reman)
26046502 Power Steering Reservoir
12578067 Alternator and Power Steering Pump Bracket
12555693 Power Steering Pump Brace
12568997 Power Steering Pump Pulley
15841234 Alternator
12579228 Belt A/C compressor, lS2