Product Description
Michigan Motorsports Bolt Kit for LS Steam Port / Coolant Crossover Tube
Fits 1997-2013 LS-Based 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L V8 Engines | Steam Port / Coolant Crossover Tube to Cylinder Head Bolt Kit
Secure your LS steam port or coolant crossover tube with the correct hardware using this Michigan Motorsports Bolt Kit for LS Steam Port / Coolant Crossover Tube to Cylinder Heads. Designed for 1997-2013 Gen 3 and Gen 4 LS-based V8 engines, this kit includes four direct-fit bolts manufactured to OEM specifications for proper fitment, sealing, and long-term reliability. Whether you are replacing missing hardware, refreshing factory steam lines, completing a top-end rebuild, installing cylinder heads, or finishing an LS swap, this bolt kit gives you the correct 6mm hardware needed to fasten the coolant crossover tube to the cylinder heads with confidence.
Key Features & Benefits
- Correct LS Steam Port Hardware: This bolt kit is designed specifically for fastening the LS steam port / coolant crossover tube to the cylinder heads. Using the proper hardware helps support correct clamping, proper sealing, and a cleaner installation compared to using mismatched bolts.
- Fits Gen 3 & Gen 4 LS Engines: Compatible with 1997-2013 LS-based V8 engines including 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, and 7.0L applications. This makes it a strong replacement hardware kit for LS car engines, Vortec truck engines, performance builds, and swap projects.
- OEM-Spec Direct Replacement: Manufactured to match GM part number 11588714 specifications for direct-fit replacement. These bolts are ideal when original fasteners are missing, damaged, corroded, rounded, or misplaced during cylinder head, intake, or cooling system service.
- Set of 4 Bolts for Complete Installation: Each kit includes four bolts, giving you the correct quantity commonly needed for LS steam port and coolant crossover tube installation. This helps avoid delays during assembly and keeps the repair or rebuild moving without searching for individual hardware.
- Ideal for Rebuilds, Repairs & LS Swaps: Perfect for top-end rebuilds, cylinder head swaps, steam vent repairs, coolant crossover tube replacement, engine resealing, and LS swap projects. Having the correct bolt kit helps create a more professional, reliable, and serviceable cooling system installation.
Notes
- Brand: Michigan Motorsports
- Application: LS steam port / coolant crossover tube to cylinder head bolt kit.
- Reference Part Number: GM #11588714.
- Quantity: Set of 4 bolts.
- Thread Size: 6mm x 1.0.
- Underhead Length: 30mm.
- Flange Diameter: 13.5mm.
- Wrench Size: 10mm.
Key Fitments
- 1997-2013 LS-based V8 engines
- Gen 3 LS engine applications
- Gen 4 LS engine applications
- 4.8L LS-based engines
- 5.3L LS-based engines
- 5.7L LS-based engines
- 6.0L LS-based engines
- 6.2L LS-based engines
- 7.0L LS-based engines
- LS1 engine applications
- LS2 engine applications
- LS3 engine applications
- LS6 engine applications
- LS7 engine applications
- L99 engine applications
- LSA engine applications
- L92 engine applications
- L9H engine applications
- L94 engine applications
- L76 engine applications
- L77 engine applications
- LY6 engine applications
- L96 engine applications
- LFA engine applications
- LZ1 engine applications
- LY5 engine applications
- LMG engine applications
- LMF engine applications
- LH6 engine applications
- LC9 engine applications
- LY2 engine applications
- L20 engine applications
- L33 engine applications
- LQ4 engine applications
- LQ9 engine applications
- LR4 engine applications
- LM7 engine applications
- L59 engine applications
- LS4 engine applications
- LH8 engine applications
- LH9 engine applications
- Fitment note: Designed for LS steam port / coolant crossover tube to cylinder head applications on compatible 1997-2013 LS-based V8 engines.
