2 Inch to 7 Inch Piston Ring Compressor

- compressor dimensions: 149mm(5.86") height - fits size: 2.36” to 7.67” (60mm - 195mm). - piston ring compressor nibs on bottom prevent compressor from sliding into cylinder. - used to compress piston rings when installing piston into block - special processing doubles tension-band life - has a beaded edge so that the compressor cant enter a cylinder with a piston