Product Description
Michigan Motorsports Bolt Kit for LS Steam Port / Coolant Crossover Tube to Cylinder Heads
Fits 1997-2013 LS-Based V8 Engines – 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L
This Michigan Motorsports bolt kit provides the correct hardware to secure the steam port/coolant crossover tube to LS cylinder heads. Manufactured to OEM specifications (GM part #11588714), these bolts ensure proper fitment, sealing, and reliability for all Gen 3 and Gen 4 LS-based V8 engines. Each kit includes a set of 4 bolts, perfect for factory replacement or engine rebuild projects.
Key Features:
- Set of 4 Genuine GM bolts (part #11588714)
- Thread size: 6mm x 1.0
- Underhead length: 30mm
- Flange diameter: 13.5mm
- 10mm wrench size for easy installation
- Direct-fit replacement for factory hardware
Applications:
- LS1, LS2, LS3, LS6, LS7, L99, LSA
- L92, L9H, L94, L76, L77, LY6, L96
- LFA, LZ1, LY5, LMG, LMF, LH6, LC9
- LY2, L20, L33, LQ4, LQ9, LR4, LM7, L59
- LS4, LH8, LH9
- Fits 1997–2013 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, and 7.0L LS-Based V8 Engines
