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New 3/4' to 1' Inch 2.3' Long Crankshaft Sleeve Adapter 3/16' Keyway Slot w/Keystock, Stainless Steel Gas Engine Crank Shaft Sleeve Adaptor Pulley Wheel Bore Reducer Predator 1.8' Step Key

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$11.99

$ 5 .99 $5.99

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  • 【Package Includes】: 1x (3/4" To 1") Steel Shaft Sleeve + 1x (3/16"-1/4") Keystock
  • 【Function】: The sleeve and keystock kit is designed to fit on the 3/4” diameter crankshaft with 3/16" keyway and enlarge it to 1" diameter.
  • 【Material】: Made of Stainless Steel & Made By CNC Machine To Ensure Excellent Strength & Precision
  • 【Specifications】: Sleeve Inside Diameter: 3/4”; Sleeve Outside Diameter: 1”; Sleeve Length: 2.3"; Keyway Slot: 3/16”; Step Key Length: 1.8”
  • 【Applications】: Alters pulleys for a different speed or belt; Alters motors with a different diameter shaft; Reduces the necessity of buying a new motor or pulley to maintain existing components and speed/power requirements; Adapts larger wheel bores to smaller axels; Works with gas engine crank shafts to enlarge the crank diameter to fit pulleys, gear boxes etc.


The shaft sleeve adaptor kit can adapt the 3/4" diameter crankshaft with 3/16" keyway to 1” diameter. It comes with the step key that offsets from 3/16” to 1/4“ and allows you to use your old clutch or pulley on a new engine. Please check the dimensions to make sure it's the correct size you need:
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"