PROFORM 66785 Manual Piston Ring Filer with Aluminum and Steel Construction

The PROFORM 66785 Manual Piston Ring Filer provides a controlled, practical way to adjust piston ring end gaps during engine assembly. Its manual crank design gives you direct control over the filing process, helping support accurate, repeatable results without requiring compressed air or electrical power. This makes it a useful addition to professional engine-building shops, race garages, and home workshops.
Constructed with a combination of durable aluminum and steel components, the PROFORM piston ring filer is designed for dependable service and straightforward operation. The rigid construction helps keep the ring positioned securely while the filing mechanism removes material gradually. By allowing careful adjustments, this tool can help reduce the risk of over-filing and support proper ring fitment for a range of engine applications.
The compact benchtop-style design is easy to handle and convenient to store when not in use. Operate the manual crank to file piston rings consistently, then verify the ring gap with the appropriate measuring tools before installation. The PROFORM 66785 is intended for users who want a simple, reliable manual solution for piston ring preparation and engine assembly work.
Designed for piston ring filing and end-gap adjustment, this tool combines durable materials, controlled manual operation, and easy shop usability in one purpose-built package.

Features:

• Manual crank operation provides direct control during piston ring filing

• Aluminum and steel construction supports durability and dependable use

• Designed for adjusting piston ring end gaps during engine assembly

• No compressed air or electrical power required

• Compact design is convenient for professional shops and home garages