The Aviation Piston Ring Compressor features a quick-change design to speed up piston ring installation.
It includes the famous Hastings Ring-O-Matic® pliers and bands that operate in all positions: not just vertically or horizontally. The pliers incorporate a precision locking action for exact holding and quick release. The complete kit includes the Ring-O-Matic® pliers and one of each of the following size bands:
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I got the ring compressor and it worked as advertised on my O 470
Aviation Piston Ring Compressor Kit
Great product concept however, not wide enough for continental large bore pistons. Big pain in the but because it’s about 1/8-1/4” too short to secure the scraper ring.
Aviation Piston Ring Compressor Kit
Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.