About this item [Vehicle Fitment-1]: Compatible with Ford F-150 1999-2003 V6 4.2L(139.0", 157.0" Wheelbase), V8 4.6L(139.0", 157.0" Wheelbase, RWD), V8 5.4L(120.0", 139.0" Wheelbase) [Vehicle Fitment-2]: Compatible with Ford F-150 Heritage 2004 V6 4.2L & V6 4.6L(157.1", 157.4", 138.5", 138.8" Wheelbase), V8 5.4L, F-250 1999 V8 4.6L V8 5.4L [Important Note]: It only fits the Naturally Aspirated model. Please double check the fitment and Wheelbase before your purchase. [Reference Number]: F85Z9H307BA, F85Z9H307BB, XL3Z9H307AA, XL3Z9H307AB, XL3Z9H307BA, XL3Z9H307BB, E2237S, P74853S, SP2237H.
