Crank Shaft Sleeve Adapter Five Eighths To Three Quarters Inch Bore Reducer For Pulleys And Motors, Steel Sleeve With Keystock, Converts Shaft Size To Fit Existing Pulleys And Belts, DIY Friendly Durable Bushing And Sheave Upgrade

Steel Sleeve Reducer Adapts Crankshaft from 5/8 to 3/4 Inch
✔️ Cold rolled steel with 3 inch length and 3/16 inch keyway slot

This steel crankshaft sleeve adapter lets you match a smaller motor shaft to larger pulley bores without replacing parts.

✅ Adapts 5/8 inch shaft to 3/4 inch bore for pulleys and belts
✅ Includes matching 3/16 inch keystock for secure fit
✅ Precision machined from cold rolled steel for durability
✅ Works on gas engines and motors to keep existing components

💡 What is a shaft sleeve adapter used for? This handy bushing solves common shaft size mismatches on engines and motors. It lets you reuse pulleys and belts on a smaller crank without new parts. The included keystock locks everything in place during operation. Cold rolled steel construction handles daily wear in shop or field setups.

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