DRIVESHAFT YOKE 28 SPLINE FITS 1330 SERIES U-JOINTS Brand New Southwest Speed Driveshaft Slip Yoke for 28 Spline Transmissions (SWS Part # 699-7672) This yoke accepts 1330 series u-joints, which have 1 1/16" outside diameter cups and measure 3 5/8" wide to the outside of the cups The following transmissions have 28 spline output shafts: | * Ford C-4 | * Ford Toploader | * Ford AOD | * Ford Borg Warner/Tremec T-5 | * GM 3550 | * Ford 3550 | * Tremec 3550 Yoke Features: | * Spline Length: 5 1/16" | * Total Length: 6 1/16" (measured from the center of the u-joint to the end of the yoke) Accepts: 1330 Series U-Joints | * 1 1/16" U-Joint Cup O.D. | * 3 5/8" U-Joint Width (measured outside-of-cup to outside-of-cup) | * External Clips