Suits Ford 302-351 Cleveland (Factory OEM Non Swivel Straight).

Accepts Ford Thermostat.

This Aeroflow Performance billet thermostat housings is specifically designed to suit Ford Cleveland 351 engines and is factory OEM direct replacement.  With the radiator hose outlet facing straight up allows for OEM configuration. It features an internal -16ORB thread for custom plumbing applications as well. All Aeroflow Performance thermostat housings feature an O-ring base flange, as opposed to using the factory paper style gasket, this ensured a superior leak free seal. Machined from T6-6061 billet aluminium and available in several anodised finishes.

Replacement O-ring and bolts - AF59-2021.

Part number: AF64-2021S