This is a SET OF 2 Rebuilt Factory OEM GT40P 5.0L 4 BAR Cylinder Head Assembly with 1/2" head bolt holes.

* Part # : GT40P , F77E ,
* Description : Rebuilt GT40P 4 BAR (angle plug) Cylinder Heads Assembly
* Note : Cylinder Head uses 1/2' Head Bolts driilled for 351 blocks
Remanufacturing Process Includes:
- Complete disassembly and thorough cleaning via hot tank & pressure tested to confirm casting integrity

- New valve seats installed as necessary

- New valve stem seals installed on all our heads & all valve guides are replaced with new ones as necessary.

- Valve job Performed with all required angles & vacuum tested seals to ensure perfect compression.

- PCD milled to ensure a super smooth finish. (PCD stands for Polycrystalline Diamond, and is best for aluminum heads).

- CBN milled to ensure a super smooth finish. (CBN stands for Cubic Boron Nitride and is best for cast-iron heads).

- All necessary parts are cleaned and inspected before final assembly to meet AERA specifications
***Bishop Engine 90-day (Unlimited Miles) Remanufactured Cylinder Head Warranty***