Car Shaft Adapter Pulley Bore Reducer Sleeve Bushing Sheave & Key

1. Alters motors with a different diameter shaft.
2. Alters pulleys for a different speed or belt.
3. Reduces the necessity of buying a new motor or pulley to maintain existing components and speed/power requirements.
4. Adapts larger wheel bores to smaller axels.
5. Works with Gas Engine Crank Shafts to enlarge the crank diameter to fit pulleys, gear boxes etc.