Crankshaft Sleeve Adapter Kit 3/4 Inch To 1 Inch Bore With 1/4 Inch Keyway Keystock Stainless Steel CNC Machined For Gas Engine Crankshaft Reducer, Pulley Wheel Fit, Durable Shaft Sleeve

Crankshaft Sleeve Adapter Kit: 3/4 to 1 in bore CNC
✔️ I.D. 3/4 in, O.D. 1 in, L 3 in, keyway 1/4 in, step 2 in

This CNC machined stainless steel sleeve enlarges a 3/4 in crank to a 1 in bore, allowing pulleys, gear boxes, or belts to fit gas engines. Used to adapt existing assemblies without replacing components.

✅ Sleeve Inside Diameter: 3/4 in (19.05 mm); Outside Diameter: 1 in (25.4 mm); Length: 3 in (76.2 mm)
✅ Material: Stainless Steel, CNC machined for precision
✅ Keyway Slot: 1/4 in (6.35 mm); Step Key Length: 2 in (50.8 mm)
✅ Keystock: 3/16 in to 1/4 in (4.76-6.35 mm)
✅ Package includes 1 sleeve and 1 keystock

💡 What is a crankshaft sleeve adapter kit used for in gas engine setups?

Essential for adapting a 3/4 in crank to a 1 in bore with a keyed interface.

- Handy for converting 3/4 in cranks to 1 in bore on gas engines - Keeps drive components aligned with a 1/4 in keyway - Reduces need to buy new motors or pulleys when changing speed - Includes 1 sleeve and 1 keystock for straightforward installation ✝️