Ford Racing M4602J Heavy Duty Aluminum Driveshaft Assembly For Select Mustang/Cobra Cars Designed for 1996 - 2004 Mustang and 1996 - 1998 Cobra with 4.6L manual transmission Use with a 31-spline yoke Will not fit 1999 - 2004 Cobra 1330 U-joints 45.5" long High strength