Proform Adjustable Piston Ring Compressor 4" - 4.090" - Blue 3450 9-3/4 x 11-1/4 in Legs

9-3/4 x 11-1/4 in Legs

428 lb/in Spring Rate

Single-Layer Pyrovatex® FRC Construction

GM A-Body / F-Body / X-Body 1969-78

Set comes complete with flat type lug nuts and stud spacers to fit various thicknesses of disc brake hats

Proform Adjustable Piston Ring Compressor 4" - 4.090" - Blue 3450 9-3/4 x 11-1/4 in LegsPutting 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