Ford 351C / 351M / 400 V8 Chrome Zinc Straight-Up O-Ring Style Water Neck

This Straight-Up water neck is designed to provide a secure coolant outlet connection between the engine and upper radiator hose. Its zinc construction with a chrome finish supports reliable coolant routing while giving the engine bay a clean finished look.

Straight-Up Outlet Configuration
The outlet angle helps route the upper radiator hose cleanly in performance, restoration, and custom cooling system layouts.

Secure Hose Connection
Designed to create a tight connection at the thermostat housing area to support reliable coolant flow and help reduce leak points.

Zinc Construction
Built from zinc to handle coolant system heat, pressure, and repeated service conditions.

Application-Specific Cooling Fitment
Designed for the listed engine family and sealing style, with fitment verified by the product dimensions and specifications.

COMPATIBLE WITH
FORD CLEVELAND "335" V8

• 5.8 L / 351 in3 often referred to as "351C"
• FORD MODIFIED "335" V8
• 5.8 L / 351 in3 often referred to as "351M"
• 6.6 L / 400 in3

NOTES:

Will not fit 351W.

Be sure to determine correct water neck angle, as radiator hoses vary between applications.

COMMON VEHICLE APPLICATIONS

• Classic and performance vehicles using matching thermostat housing dimensions
• Street rods and custom cooling system applications
• Engine builds requiring the listed water neck angle and sealing style

Specifications:

Water Neck Material	Zinc Alloy
Water Neck Finish	Chrome
Water Neck Style	Straight-Up
Sealing Style	O-Ring (Included)
Swivel	No
Heater Bypass Provision	No
Mounting Hardware	Included