DRUM, MECHANICAL DIODE CONVERSION KIT, AOD / AODE / 4R70W, 1980-UP INCLUDING DIODE, SNAP RING. REQUIRES A 36 TOOTH SHORT SUN SHELL.
Extreme Duty mechanical diode conversion kit for 1980 – 1998 AODE and 4R70W transmissions. Replace your roller clutch with the much stronger mechanical diode. This is a weak point on early pre 1999 A0DE / 4R70W transmissions.