I believe the F150 crank pulley is 6.5" if I remember correctly. If you need an exact size, you could always call up ASP. They will make whatever size pulley you want.
slider_buck Are you still running stock heads? What kind of boost were you seeing with the stock crank pulley? Are you running the fcu or not?
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~Dan
2001 SVT Lightning
89' GT : Taking up garage space and waiting for a buyer...
Rice Hater's Club - Member #11
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