Piston Ring Compressor

Piston ring compressor is designed to handle most types of rings in the majority of passenger cars, including those that are channeled and segmented. Features a beaded edge so the compressor can't enter a cylinder with piston. Range 2 1/8 in. to 5 in. Self locking ratchet mechanism with double tension band and heavy duty pawl 1/2 in. wide spring bands equalize the tension over the entire belt width so that the spring assemble may be compressed into the grove until it's flush with the piston. Handles most piston rings including those that are channeled and segmented