TORCO AOD Ford Torque Converter - F100 F150 F250 LTD MUSTANG with 1 year warranty Diameter: 12.75" (1980 - 1993 vehicles - 232, 302, 351, 3.8L, 5.0L, 5.8L) Mount : 4 studs Spline : 35 Unlimited Miles 1 Year Warranty Please TEXT with any question 562 644 1534. After purchase, please provide your vehicle info: YEAR, MAKE, MODEL, ENGINE SIZE so that we can confirm correct fit : Please EMAIL US or TEXT to 562 644 1534.