Proform Adjustable Piston Ring Compressor 4" - 4.090" - Blue Threaded Insert Tool Kit Completely sealed with a polyurethane

Completely sealed with a polyurethane coating

Uses standard grease cartridges

Coil Springs / Hardware / Shocks

especially when using performance tires

Proform Adjustable Piston Ring Compressor 4" - 4.090" - Blue Threaded Insert Tool Kit Completely sealed with a polyurethanePutting the connecting rod through first, simply place the piston (with rings) into the tapered end of the ring compressor. Tighten the compressor snugly around the base of the piston. Then lay the compressor flat on the engine cylinder bore. NOTE: Image shows #PFM66766 and is for reference only. PROFORM invites racers to experience the strength, innovation, and power behind the PROFORM brand. PROFORM Parts (Specialty Auto Parts U. S. A., Inc.) is a