🚗 Upgrade your 5.0L GT40P with precision-engineered power!
This set of remanufactured GT40P 5.0L 4 BAR cylinder head assemblies from JJ Original Equipment features complete disassembly, hot tank cleaning, and pressure testing to ensure casting integrity. New valve seats, stem seals, and guides are installed as needed, with precision valve jobs and vacuum testing for perfect compression. Advanced PCD and CBN milling provide ultra-smooth finishes, all assembled to meet AERA specifications. Comes with a 90-day unlimited mileage warranty and requires no core charge.
| Manufacturer | Ford |
| Brand | JJ Original Equipment |
| Manufacturer Part Number | F77E , F87Z6049BAA , F67Z6V049BARM |
B**N
Perfect heads, arrived in great condition.
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.
C**.
Quality
Was Skeptical But when it was delivered. It was well packaged and the heads looked great. Great product for the price.
J**.
Good
Solid but the springs were soft for my application.
Trustpilot
3 weeks ago
1 month ago
