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Replacement Parts

Engines & Engine Parts

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

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Variations

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
- OEM Replacement for GM 12498545 – Direct-fit head bolt kit for 1997–2003 LS engines, ensuring factory-level reliability and performance.
- Complete Cylinder Head Bolt Set – Includes all the torque-to-yield bolts required to fasten both cylinder heads, eliminating the need to piece together hardware separately.
- Built for Stock & Performance Applications – Provides the clamping force necessary to secure cylinder heads under daily driving or high-performance conditions.
- High-Strength Construction – Manufactured to meet or exceed OEM tensile strength and torque specifications, ensuring consistent performance and long-term durability.
- Wide LS Engine Compatibility – Fits 4.8L, 5.3L, 5.7L, and 6.0L LS engines including LS1, LS6, LQ4, LQ9, LM7, and LR4, making it versatile for many GM builds.
Country USA
Brand Michigan Motorsports
Manufacturer Michigan Motorsports
ItemPartNumber AJ251
Model K6100
Size Bolts for 2 Heads
UnitCount 1
UPCs 810144060934
EANs 0810144060934
ReleaseDate 0000-00-00

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