These are bare heads that have been CNC machined and are ready to assembled. These are our own castings that we fully machine in house which is why we have zero issues with our heads. The specs on the heads are as follows.
UPR Aluminum Swivel Thermostat Ford Big Block 370 429 460 514 Water Neck 1.5"
Billet Swivel Water Neck Thermostat Housing Ford Big Block 370 429 460 514 1.5''
Billet Swivel Water Neck Thermostat Housing Ford Big Block BBF 429 460 514 1.5''
Billet Swivel Water Neck 1.5'' Thermostat Housing Ford Big Block 370 429 460 514
NEW Intake Manifold for Ford 429-460 Edelbrock 2166 460 1968-1972 AM part
Intake Manifold for Ford 429-460 2166 Performer 460 1968-1972 Aluminum
