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Michigan Motorsports 1997-2003 LS Head Bolt Kit LS1 LS6 LQ4 LQ9 LM7 4.8 5.3 5.7 6.0 12498545 (Bolts for 2 Heads) in Saudi Arabia Michigan Motorsports 1997-2003 LS Head Bolt Kit LS1 LS6 LQ4 LQ9 LM7 4.8 5.3 5.7 6.0 12498545 (Bolts for 2 Heads) in Saudi Arabia Michigan Motorsports 1997-2003 LS Head Bolt Kit LS1 LS6 LQ4 LQ9 LM7 4.8 5.3 5.7 6.0 12498545 (Bolts for 2 Heads) in Saudi Arabia Michigan Motorsports 1997-2003 LS Head Bolt Kit LS1 LS6 LQ4 LQ9 LM7 4.8 5.3 5.7 6.0 12498545 (Bolts for 2 Heads) in Saudi Arabia Michigan Motorsports 1997-2003 LS Head Bolt Kit LS1 LS6 LQ4 LQ9 LM7 4.8 5.3 5.7 6.0 12498545 (Bolts for 2 Heads) in Saudi Arabia Michigan Motorsports 1997-2003 LS Head Bolt Kit LS1 LS6 LQ4 LQ9 LM7 4.8 5.3 5.7 6.0 12498545 (Bolts for 2 Heads) in Saudi Arabia Michigan Motorsports 1997-2003 LS Head Bolt Kit LS1 LS6 LQ4 LQ9 LM7 4.8 5.3 5.7 6.0 12498545 (Bolts for 2 Heads) in Saudi Arabia Michigan Motorsports 1997-2003 LS Head Bolt Kit LS1 LS6 LQ4 LQ9 LM7 4.8 5.3 5.7 6.0 12498545 (Bolts for 2 Heads) in Saudi Arabia

Michigan Motorsports LS Head Bolt Kit | Fits 1997-2003 LS1 LS6 LQ4 LQ9 LM7 LR4 4.8L 5.3L 5.7L 6.0L | Replaces GM #12498545 | Premium Cylinder Head Bolt Set

SAR 365
SizeBolts for 2 Heads
– 1 +

Special Features

  • LS 1997-2003 LS Head Bolt Kit LS1 LS6 LQ4 LQ9 LM7 4.8 5.3 5.7 6.0
  • These are the stock-replacement cylinder head bolts that are torque-to-yield and are built to the same specs as GM # 12498545
  • They are the Gen-3 design that use three different bolt lengths and were used by GM from 1997 through mid-year 2004.
  • 1997-2003 heads used QTY 8 155mm Bolts, QTY 2 100mm bolts, and QTY 5 45mm bolts 2004-2014 heads used QTY 10 100mm bolts, and QTY 5 45mm bolts 2 Sets Needed per Engine These cannot be reused after being torqued down because they stretch when torqued.
  • Choose the option for enough fasteners for one or both cylinder heads. 2 Sets Needed per Engine

Description

These are the stock-replacement cylinder head bolts that are torque-to-yield and are built to the same specs as GM # 12498545. They are the Gen-3 design that use three different bolt lengths and were used by GM from 1997 through mid-year 2004. Be sure to note which head bolts you need as GM used two different style LS head bolts 1997-2003 heads used QTY 8 155mm Bolts, QTY 2 100mm bolts, and QTY 5 45mm bolts 2004-2014 heads used QTY 10 100mm bolts, and QTY 5 45mm bolts These cannot be reused after being torqued down because they stretch when torqued

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