K-D Tools KD 850 Piston Ring Compressor Set

The K-D Tools KD 850 is a Piston Ring Compressor Set. This set is used to install pistons from 2-7/8" to 4-3/8" (73 to 111 mm). It's pliers can be used parallel or perpendicular to the cylinder block.

Fine-tooth ratcheting lock allows you to compress bands in small increments
Set works by placing a band around the piston, covering the rings and hooking pliers into the band and squeezing
With the band tightly around the piston, insert piston into cylinder and tap lightly with hammer handle to install

Pliers
6 bands- 1119 through 1124

Installing pistons