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Proform Adjustable Piston Ring Compressor4.205-4.310 RangeRedAluminum Material 66768

Proform
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Specifications:

Description:

Putting 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.