Piston Ring Compressor

The compressor gently compresses the piston rings into position reducing the risk of damage to components during installation. Key operated with ratchet mechanism and safety valve for combining safe rapid compression with positive control. Suitable for passenger car vehicle engines. Made from tempered spring steel complete with steel key.
Capacity: 57mm - 125mm (2.1/4" - 5")
Height: 80mm (3.1/4").