ATTENTION: PERFORMANCE AND RACING BUSINESS OWNERS !!!
COMPRESSION RATIOS
2V NON PI
2V PI
4.6- 4V ALL
0cc Dished with 4.6 Engine
10.4:1
12.4:1
10.6:1
0cc Dished with 5.4 Engine
9.6:1
10.8:1
9.8:1