Piston Ring Expander - 1-1/4 to 2-1/4

GEARWRENCH 2-7/8 in. x 4-3/8 in Piston Ring Plier Compressor Set (8-Piece) 850DD - The Home Depot

Piston Ring Compressor Tool Set for Car Engine - Vehicle

AMMCO Piston Ring Expander 8330 for sale online

What is the function of groove in the piston? - Quora

Ring Expander Plier

Hydraulic Exhaust Pipe Expander, 1-5/8 to 4-1/4 Size, 10 T Pedal Pump

Eastern Motorcycle Parts High Compression Piston Kit 3.437 Bore 10:1 For Harley FL FX 1941-1977

How are pistons engineered so that thermal expansion doesn't cause too much friction or break the piston's airtight seal? - Quora

Galvanized Grooved Concentric Reducer

1.5 NH Female x 2-1/16 Hose Bowl Coupling - North Ridge Fire Equipment

Small Piston Ring Expander

1 1/4 Crimp Rings - The Log Boiler

Nickson 2-1/4 Inch Inside Diameter To 2-1/4 Inch Inside Diameter; Exha