Piston Ring Filers

Precision piston ring filing is essential for achieving proper ring gap and ensuring optimal compression and oil control in your engine. The Proform Electric Piston Ring Filer eliminates the guesswork and inconsistency of hand-filing, delivering...

Precision piston ring preparation demands a sharp, reliable cutting surface—and carbide wheels maintain their edge far longer than standard steel alternatives. This replacement wheel for the Proform Manual Piston Ring Filer (#66785) ensures consistent,...

Proper piston ring end gap is critical for engine sealing and performance—too tight and you risk ring binding, too loose and you lose compression. The Proform Manual Piston Ring Filer 66785 lets you achieve precise, repeatable gap specifications without...

Proper piston ring end gap and fit are critical to engine performance, compression, and longevity—and achieving precision specifications by hand is nearly impossible. The Proform Electric Piston Ring Filer 66765 eliminates guesswork with repeatable,...