K-D Tools Heavy-Duty Piston Ring Compressor Order# KD 2284 $12,82  The price in Kiev!

Use compressor to install pistons 2-1/8 to 5" (54 to 127mm) 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.