• The ideal compressor set for quick top end rebuilds or serious engine overhauls • Supplied with piston ring pliers and swivel type compressor pliers • Swivel type compressor pliers can be used parallel or perpendicular to the cylinder block, ideal for use in confined work spaces • Ratcheting plier function holds the piston ring in position for easy installation of the piston into the bore • Supplied in a protective metal case • Suitable for piston rings 35mm - 111mm (1 3/8" - 4 3/8") Type: Piston Ring