CTA Tools 6500 Automatic Transmission Clutch Spring Compressor is designed to remove and install the snap-ring onto the long reverse piston and return spring. It works without removing the center shaft and clutch assembly from the transmission housing. This compressor is compatible with GM, Ford, Toyota and other vehicles. Heavy-duty construction allows for strength and durability. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.