Posted on May 07, 2014 by promarengine
We are offering a pair of original Ford Cobra 5.0 GT40 cast iron cylinder heads. (Please note these are not GT40P Explorer heads). These heads have been remanufactured using refaced reclaimed Factory Valves. The valve seats have been cut on a precision DCM. Valve Guides have been resized for optimal valve stem life. Positive valve stem seals have been installed on the intake and exhaust guides. These heads do not have provision for smog port / thermactor holes in rear of heads. The cost for the pair is $800 and shipping is free to continental U.S. If you want the heads drilled for a 351 engine that is an additional $50. These heads are hard to come by so dont miss out on this sale.
Casting Number: F3ZE
Valve Springs are for Hydraulic Roller cams and can handle up to .510 valve lift.
Intake Valve size 1.842
Exhaust Valve Size 1.540
Spring Pressure
Closed 60lbs
Open 230lbs
Combustion Chamber 62.5-63.0