Proform Adjustable Piston Ring Compressor 4.205" - 4.310" - Red RG30003L 1/8-3/8 in Grip Range

1/8-3/8 in Grip Range

CARB Certified for model years 2010 to 2012

Lightweight aluminum bracket

1971-1997 Oldsmobile Cutlass Supreme

truck or SUV's looks with their dynamic visual impact

Proform Adjustable Piston Ring Compressor 4.205" - 4.310" - Red RG30003L 1/8-3/8 in Grip RangePutting 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