New Performance 66785 Engine Piston Ring Filer Grinder Grinding None Raw

Performance 66785 Engine Piston Ring Filer Grinder

This piston ring filer grinder is a bench tool that trims piston ring end gaps to a precise fit during engine assembly, and it references part number 66785.

Overview

This piston ring filer grinder lets engine builders set ring end gaps accurately before installation. The grinder removes material from ring ends so each ring seats with the correct clearance inside the cylinder bore. The piston ring filer grinder suits engine rebuilders and machinists working on performance builds.

Built For Performance

• Designed to trim piston ring end gaps for precise fitment
• Abrasive grinding surface removes ring material evenly
• Bench or vise mounting for stable operation
• Adjustable gap stop helps control material removal
• Reference part number 66785

On-The-Job Use

• Engine rebuild and ring replacement work
• Performance engine assembly
• Setting ring end gaps to factory clearance specs
• Machine shop and garage use

Specs At A Glance

Good To Know

Q: What does a piston ring filer do? A: It grinds the ends of piston rings to open up the end gap to the clearance specified for the engine build.

Q: Is this tool for one specific engine? A: No, a ring filer is a general engine-building tool and works with many ring sizes rather than a single engine model.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.