All parts in this kit can be installed thru removal of the transmission oil pan only. If the transmission is out of the vehicle, additional parts and technical information are supplied to dual feed the direct clutch, as well as oil pump and lubrication upgrades. The kit includes a new separator plate, gaskets, accumulator delete kit, and two pressure regulator springs.Please be aware that substitutions my be made if items become unavailable. This kit has now been revised with updated actuator feed filter bore plug with o-ring and an accumulator valve bore plug with o-ring to improve valve body function. Fits all 1991 and up 4L80E transmissions.