Moroso 37800 Water Pump Block Off and Filler Neck Kit for Small Block Chevy

The Moroso 37800 Water Pump Block Off and Filler Neck Kit is designed for small block Chevy engines to provide superior cooling system control and block deck protection. This comprehensive kit allows you to eliminate the water pump and restrict coolant flow to the cylinder heads, making it ideal for high-performance and racing applications where precise cooling management is critical.

Key Features:

• Complete block-off kit for small block Chevy water pump applications
• Includes deck plugs to seal water passages in the engine block
• Integrated filler neck for convenient coolant system filling
• Reduces deck wall distortion caused by excessive coolant pressure
• Restricts water flow to cylinder heads for controlled cooling
• Precision-engineered for reliable sealing and performance
• Essential for dry sump and modified cooling system setups

This kit is commonly used in drag racing and road racing applications where the water pump is removed or bypassed. By controlling coolant flow and sealing off unused passages, you can optimize engine cooling efficiency and reduce stress on critical engine components.