Ford Racing 4.6L P.I. Cylinder Heads
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4.6L Performance Improvement (PI) Cylinder Heads
Current production 4.6L SOHC 2V Romeo engine aluminum cylinder headsFully machined and assembled with production Mustang GT valvetrain and camshaftGreat for custom engine buildsLess expensive that replacing valvetrain and remachining a used cylinder headLess expensive alternative to aftermarket performance headsCan be used on 1996-98 engines with additional modifications and parts43.9 +/1 1.5ccRaises compression on 1996-98 engines to 10:1 Note:
Can be used with PI intake p/n 397-M-9424-P46 and Cylinder Head Changing Kit p/n 397-M-6067-D46
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