Worn valve bores and stuck valves both show up as pressure that does not reach the clutch it was meant for.4L60E input drum reinforcement kit. This valve body assembly restores the hydraulic control the unit needs to shift on schedule.The bores and the separator plate are matched to the calibration the transmission was built with. Shipping weight is 1 lb.This listing covers the input drum reinforcement kit only. The parts list below is exactly what ships. Compare it against your teardown before ordering.REMCO has supplied automatic transmission parts since 1991, and every order ships with its part listing so the receiving technician can check what arrived against what was ordered. Valve Body Kit for 4L60E - replacement component designed for proper fit and function Designed to support proper hydraulic routing, shift quality and pressure control during valve body service Package Includes: one valve body kit as described, supplied loose for valve body service Valves, springs and separator components sized to the original bores - designed for dependable service in the intended application. Ships at 1.00 lb, 18x16x5 in Intended for builders correcting shift complaints. Lay the parts out in order, keep the check balls seated and torque the bolts in sequence