Piston Ring Compressor Tool 53-125mm Capacity w Wrench for Car

Use compressor to install pistons 53 to 125mm in diameter.
Positive lock action provides positive compression and fingertip release. To compress piston ring into grooves, slip the tool over the piston and tighten with L-shaped wrench. Insert piston into cylinder and tap with a hammer to install. Enlarged crimped edge prevents compressor from entering the cylinder.