Mr. Gasket Water Pump Bolt Sets for GM LS Engines

Mr. Gasket Water Pump Bolt Sets deliver a clean, professional-grade upgrade for GM LS engine builds. Engineered from stainless steel, these fastener kits are purpose-built to replace missing, worn, or corroded OEM hardware on the water pump and water neck — offering the corrosion resistance and long-term durability that serious engine builders demand.

Key Features:

• Stainless steel construction provides superior corrosion resistance and lasting durability in demanding underhood environments
• Includes small diameter stainless steel AN washers for a secure, professional-grade installation
• Hex head bolt style allows for straightforward installation using standard tools
• Includes thermostat housing bolts and washers for a complete, all-in-one fastener solution
• Ideal for replacing missing or worn OEM fasteners on the water pump and water neck
• Sold in convenient skin-packaged sets with all necessary hardware included
• Made in the USA for consistent quality and precision fitment
• Legal for use on emissions-controlled and non-emissions-controlled vehicles

Installation Note: Anti-seize compound should be applied to all stainless steel fasteners during installation.

Backed by over 50 years of motorsport heritage, Mr. Gasket has been a trusted name with racers and performance enthusiasts since founder Joe Hrudka established the brand at Cleveland-area drag strips. Now part of the Holley Performance family, Mr. Gasket continues to deliver the application coverage and quality that GM LS engine builders rely on — whether refreshing a street build or assembling a dedicated track engine.