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This is a SET of Rebuilt GT40P 5.0L 4 BAR Cylinder Head Assembly's.
Part # : GT40P , F77E ,
Description : (2) Rebuilt GT40P 4 BAR (angle plug) Cylinder Head Assemblies with Rocker Arms
Note : Cylinder Head uses 7/16 Head Bolts
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
JJ Original Equipment 90-day (Unlimited Miles) Remanufactured Cylinder Head Warranty
Ben
2025-07-30 15:39:00
Got a set of gt40p heads for my 67 mustang with a 302. Needed a cheap and quick replacement to fix stripped heads from prior owner. These showed up in great packaging. Looked brand new. Install went smooth and they helped wake up the 302.
CJ C.
2025-01-12 12:20:08
Was Skeptical But when it was delivered. It was well packaged and the heads looked great. Great product for the price.
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