EJ25 Piston Ring Compressor Features: Gradual billet taper design precisely guides the piston into the bore without damage Adjustable diameter allows one tool to work on all stock and oversize pistons/bores of a particular engine Convenient tool-less thumb adjuster makes adjustments easy CNC machined from tempered and anodized aerospace grade alloy Works with: Fits engine bores from 96.52mm-100.33mm (3.80″-3.95″) Perfect for EJ25 engines (fits all stock and oversize pistons/bores)
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