Description
A billet piston ring compressor sized to one bore. It is a straight sleeve with a true-radius lead-in, so pistons and rings slide into the bore without the pinching of a tapered band style tool.
- 4.2125" bore size
- CNC machined from 6061-T6 billet aluminum tube
- True-radius design
- Type 3 hard anodized finish
Bore sizes are based on factory specifications. Confirm the actual bore of your block and pistons before ordering.
Fits: 2007.5-2018 Ram 6.7L Cummins, or any engine with a 4.2125" bore
