KD880 Piston ring expander installation tool. Tool holds ring squarely to expand and safely install onto piston. Box says 3 7/8" bore to 4". Good condition.
Vintage ZIM Mfg Co. Piston Ring Expander
Vintage Sears Craftsman USA 9-4662 Piston Ring Expander Pliers RARE.
Blue-Point Tools Piston Ring Expander Pliers PRS8 (2 TO 7 INCHES) NOS
Blue Point Piston Ring Expander PRS10
With Ring Expander, Ring Groove Cleaner Engine Piston Ring Service Tool Kit New
New KING Universal Piston Ring Installer Remover Pliers, Expander Tool 50-100mm
