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4.6L/5.4L POWER IMPROVEMENT (PI) CYLINDER HEAD
- Production 4.6L SOHC 2V Romeo engine aluminum cylinder heads
- Fully machined and assembled with production Mustang GT valvetrain and camshaft
- Great for custom engine builds
- Less expensive than replacing valvetrain and remachining a used cylinder head
- Less expensive alternative to aftermarket performance heads
- Can be used on 1996-1998 engines with additional modifications and parts
- 43.9 /- 1.5 cc combustion chamber
- Raises compression on 1996-1998 engines to 10:1
- Use head changing kit M-6067-D46.
- NOTE: Requires installation of oil galley plugs (not included).