Racing Power Co. S6003BK Black Aluminum Water Neck Thermostat Housing

The Racing Power Co. S6003BK is a black anodized aluminum water neck designed for small block Chevrolet V8 engines. This thermostat housing provides both functional cooling system performance and an attractive engine bay appearance with its sleek black finish.

Key Features:

• Black anodized aluminum construction for durability and corrosion resistance
• O-ring seal design for superior leak prevention
• Direct replacement for stock water necks on SBC applications
• Includes necessary hardware for installation
• Lightweight aluminum reduces weight compared to stock cast iron housings
• Professional black finish coordinates with other engine dress-up components

This water neck thermostat housing connects to the upper radiator hose and houses the engine thermostat, making it a critical component of your cooling system. The black anodized finish not only looks great but also provides excellent protection against the elements. Racing Power Company has been manufacturing quality performance parts and accessories since 1995, offering hot rodders and engine builders reliable components for building, restoring, or maintaining their vehicles.