The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2020 | Ford | Mustang | Bullitt |
| 2018-2023 | Ford | Mustang | GT |
| 2018-2023 | Ford | Mustang | GT Premium |
| 2021-2023 | Ford | Mustang | Mach 1 |