Lisle Small Engine Piston Ring Compressor 18500 30% Off Get link Facebook X Pinterest Email Other Apps Lisle 18500 Small Engine Ring CompressorFor Small Cylinders: 1 1/2" to 3" (38.1-76.2mm) Quality tool at a low price. Takes all the rings at one setting.-30% Off Discount at $14.45 (Reg. $20.65)