Out of stock
SKU: SPC7289-OBK
MPN: 7289-OBK
The Water Neck Ford 289/303 351W O-Ring Black from Specialty Products Company is a precision cooling system component engineered for small block Ford V8 engines. This 15-degree water neck features a 1-1/2 inch ID hose connection and integrates an O-ring seal design for leak-free operation under varying pressure and temperature conditions. Built from steel with durable black paint, it delivers the reliability required in both street and marine applications where engine cooling integrity is non-negotiable.
The 15-degree angled design optimizes coolant flow direction and accommodates common radiator hose routing configurations found in restored, modified, and stock small block Ford installations. The O-ring sealing mechanism eliminates reliance on traditional gasket materials, which can degrade over time due to coolant chemistry, thermal cycling, and vibration. Hardware is included for direct bolt-on installation. The 0.88 lb weight and compact 4.35 x 2.55 x 6.2 inch footprint make this neck suitable for tight engine compartments typical of vintage and contemporary Ford-powered vessels and vehicles.
This water neck is specified for Ford 289, 303, and 351W small block engines—the workhorses of classic restoration and marine propulsion. Boaters maintaining vintage Ford inboard engines, automotive enthusiasts rebuilding or upgrading cooling systems, and shop technicians stocking OEM-quality components will find this a proven solution. It addresses a critical junction point in the cooling circuit where pressure spikes and thermal stress demand precision engineering and material durability.
Specialty Products Company maintains a reputation for manufacturing cooling and fuel system components that meet or exceed OEM specifications. This water neck carries the reliability expected in marine environments where coolant system failures can result in engine damage or loss of power. The black paint finish resists corrosion and integrates seamlessly with engine bay appearance on both restoration and custom builds.
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