The Sleeve outside diameter is 1.02”;the Sleeve length is about 3” .
Crank Shaft Adapter Pulley kit is made of Stainless Steel 304.
Universal design, fit for most engine.
The crank shaft sleeve is constructed with durable metal and upgraded design which can extend service life of gas engine crank shafts.
Works with Engine Crank Shafts to enlarge the crank diameter and increase the shaft size to fit pulleys, gearboxes, etc. DIY install a Shaft Sleeve Adapter kit will help reduce the necessity of buying a new motor or pulley, to maintain existing components and speed/power requirements.