Install your pistons and rings into your cylinder barrel the correct way using this handy, factory style piston ring compressor clamp tool. Our piston ring compressor tools will keep your piston rings safe from damage and breaking during installation.

We stock piston compressors for a wide range of piston sizes as fitted to Triumph, BSA, Norton, Matchless and AJS motorcycles. Can also be used for “universal” applications – sold individually.