Proform Adjustable Piston Ring Compressor 4" - 4.090" - Blue 935026 Billet aluminum adapter replaces the

Billet aluminum adapter replaces the stock cast aluminum adapter and eliminates the bypass found in OE adapters

protect heat sensitive underhood components

Mar-resistant coated

Ultra High Frequency 450-470

Proform Adjustable Piston Ring Compressor 4" - 4.090" - Blue 935026 Billet aluminum adapter replaces thePutting 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