Features: Wide Application：Fits for GM 250 250C 350 350C 700R4 4L60 4L60-E 4L65E 4L70 4L70E 4T80-E transmissions. High Performance：This Clutch Spring Compressor Tool is specially designed to remove the Low/ Reverse clutch piston in the rear of the case, allows you easily and properly remove the clutch spring retainer easy. Comparable to T-0151 both in quality and functions. Convenient to Use：This low and reverse spring compressor tool engages the lugs, can push the piston return spring enough to access the snap ring. The whole process takes just a few minutes. .