Three Quarters To One Inch Gas Engine Crank Sleeve Adapter With Step Key For Predator Pulley Bore Reducer Bushing Sheave Converts A Three Quarters Inch Crank To A One Inch Shaft Approximately Two And A Quarter Inches Long

3/4 to 1 Inch Crank Sleeve Adapter, Single Pack
✔️ 3/4 to 1 inch sleeve: 2.3" long, stainless steel, 3/16" keyway

This 3/4 inch to 1 inch crank shaft sleeve adapter is a metal spacer that lets you convert a 3/4" crank to a 1" shaft. It's ideal for repairing or updating small gas engines and matches standard pulley bores, clutches, or gearboxes.

✅ Sleeve inside diameter 3/4”
✅ Sleeve outside diameter 1”
✅ Sleeve length about 2.3”
✅ Sleeve Keyway slot 3/16”
✅ Step Key Length about 1.8”
✅ Material: Stainless steel
✅ Color: Silver
✅ Package includes: 1 x 3/4 to 1 inch Crank Shaft Sleeve Adapter, 1 x Step Key

💡 What is a crank shaft sleeve adapter used for?

A handy upgrade part that lets you adapt a 3/4" crank to a 1" shaft while keeping your current pulleys, belts, and gearboxes compatible. - Converts crank diameter to match pulley bore - Keeps keyways aligned for secure fit and minimal play - Lets you reuse existing belts and clutches without buying new components - Easy install with a light tap and tight press fit✝️