KD Tools 1723 3-1/2" to 6-1/2" Piston Ring Compressor Features:
- Use compressor to install pistons 3-1/2 to 6-1/2" (89 to 164mm) in diameter on trucks and tractors.
- Positive lock action provides positive compression and fingertip release.
- Heavy spring steel compresses the stiffest rings evenly.
- Tool is beaded along lower edge to prevent compressor from entering the cylinder.
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