Proform Adjustable Piston Ring Compressor 4.205" - 4.310" - Red RG30003L Low Profile Cap Assembly

Low Profile Cap Assembly

Engine Plate has provisions to fit all LS GM engine blocks and most Holley 4150/4160 and 4500 series

1/8-3/8 in Grip Range

Aftermarket intake and exhaust

Proform Adjustable Piston Ring Compressor 4.205" - 4.310" - Red RG30003L Low Profile Cap AssemblyPutting 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