Specialty Auto Parts U.S.A. is an Official Licensee of GM

Piston & Ring Tools

Ring filers, ring compressors, squaring tools, and piston vises.

PROFORM Piston Tools

All the essential tools needed for pistons and piston rings!

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PROFORM piston and ring tools cover the ring job end to end. Electric ring filers come in 120V, 220V, and a 6-volt electronic model with two grinding wheels, backed by a manual filer and replacement 120-grit wheels. Ring compressors include color-coded adjustable models covering 4.000 to 4.310 inch bores, a full set of tapered fixed-bore sleeves from 4.000 to 4.310, and a universal design. Billet aluminum ring squaring tools, a heavy-duty multi-angle piston vise, a piston installation tool, and a professional ring friction pull measurement tool round out the bench. Gap it, square it, seat it — no shortcuts.
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