Proform Adjustable Piston Ring Compressor 4.125"- 4.205" - Gold Harmonic Damper and other poly-lock style rocker

and other poly-lock style rocker assemblies

Digital microcontroller based unit provides greater accuracy (+/-0

Instead of the armature rotating

2003-2015 BMW 760Li

Proform Adjustable Piston Ring Compressor 4.125"- 4.205" - Gold Harmonic Damper and other poly-lock style rockerPutting 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