Shaft Sleeve inside diameter 3/4” , outside diameter 1”
Shaft Sleeve length about 3” , Keyway slot 1/4” , Step Key Length about 2”
The sleeve and step key are designed to exact fit on your 3/4diameter crankshaft with 3/16keyway and enlarge it to 1diameter with 1/4keyway
Alters motors with a different diameter shaft , Alters pulleys for a different speed or belt
Works with Gas Engine Crank Shafts to enlarge the crank diameter to fit pulleys, gear boxes etc
3/4″ to 1″ Inch Gas Engine Pulley Crank Shaft Sleeve Adapter Pulley Bore Reducer Bushing Sheave Key Predator