TORCO Ford E4OD 4R100 6 Studs Single Clutch Torque Converter with 1 year warranty Diameter : 12.75" Mount : 6 Studs Spline : 31 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.