Model: Squaring Tool. EASY TO USE: Piston ring square tool is a grab-and-go tool, adjusts to many bore sizes; Simple to use with or without head studs in place; No wrenches or other tools are required.
Universal Piston Ring Squaring Tool for End Gap Fit 2-5inch
Proform Universal Piston Ring Squaring Tool 67656
Childs & Albert Performance ST-109-7 Piston Ring Squaring Tool 4.434-4.500 NOS
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New KING Universal Piston Ring Installer Remover Pliers, Expander Tool 50-100mm