Crankshaft Adapter: This 3/4" to 1" gas engine pulley crankshaft sleeve adapter allows you to adapt a 3/4" crankshaft to fit a 1" pulley or gear.
CNC Machined: Manufactured using precision CNC machining for a perfect fit and durability, ensuring smooth performance.
Step Key Design: Includes a step key with offsets between 3/16" and 1/4", ensuring a secure and reliable connection between the shaft and pulley.
The sleeve and step key are designed to exact fit on your 3/4” diameter crankshaft with 3/16” keyway and enlarge it to 1” diameter with 1/4” keyway.
Versatile Functionality: Works with gas engine crankshafts to fit pulleys, gearboxes, and other components by enlarging the crank diameter to accommodate different applications.