Comparable to factory tool #398744300

Fits engine bores from 90.17mm-93.98mm (3.55″-3.70″). Perfect for EJ20 engines (fits all stock and oversize pistons/bores)

Features:

• Gradual billet taper design precisely guides the piston into the bore. Will not damage piston or rings.
• 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.
• Made in USA

Company23 515 Piston Ring Compressor