"The T-0151 Rear Clutch Spring Compressor Tool is a precision service tool designed to assist in removing and installing the low and reverse clutch piston in GM automatic transmissions. Built from heavy-duty carbon steel and finished with an anti-corrosion coating, this tool withstands frequent workshop use while maintaining accurate compression force. Its lug-engagement design securely holds the clutch drum and compresses the return spring, allowing easy removal of the snap ring and internal components. Ideal for both professional mechanics and automotive DIY enthusiasts, this tool provides dependable performance and helps reduce repair time. Compatible with GM 250, 250C, 350, 350C, 700R4, 4L60, 4L60E, 4L65E, 4L70, 4L70E, 4T80E transmissions. Built for precision, durability, and efficiency — everything you need for confident transmission service."