Stainless Steel Crankshaft Sleeve Adapter From Five Eighths Inch To Three Quarters Inch, Gearhead Friendly Three Sixteenth Inch Keystock Included, CNC Machined Gas Engine Sleeve Reducer For Bore Sizing, Pulley Wheel Keyway Kit, Easy Install

Stainless Steel 5/8 to 3/4 in Crankshaft Sleeve Adapter Kit
✔️ Sleeve: 5/8 to 3/4 in with 3/16 in keystock included

This CNC machined stainless steel sleeve adapter enlarges a 5/8" crankshaft to 3/4" for pulleys, gearboxes, and other gearhead components in gas engine applications. The kit includes 1x sleeve and 1x 3/16" keystock, enabling bore sizing adjustments without replacing motors or pulleys.

✅ Sleeve Inside Diameter: 5/8"
✅ Sleeve Outside Diameter: 3/4"
✅ Sleeve Length: 3"
✅ Keyway Slot: 3/16"
✅ Step Key Length: 2"

💡 What is a crankshaft sleeve adapter used for in engine builds?

This handy accessory lets you adapt a 5/8" crank to a 3/4" bore for compatible pulleys and gearboxes in gas engine setups. - Adapts 5/8" to 3/4" crankshaft bore for pulleys and gearboxes - CNC machined stainless steel sleeve ensures precise bore sizing - Keeps existing components in service, saving time and money ✝️