<b>Two set screws are included, but chain is Not included. </b> <br>Centrifugal Clutch 3/4" bore 12 Teeth use # 35 Chain <br>This Clutch Will Fit 2 - 6.5 HP Engines Honda GC160, GC190, GX120, GX140, GX160, GX200 <br>Also will fit Briggs & Stratton and 2 - 6.5 HP With 3/4" Shaft <br>Also Will Fit Tecumseh Engines 2 - 6.5 HP With 3/4" Shaft <br>And Any Other Engines With 3/4 Crank Shaft and 3/16" Key Way. <br>Before ordering please check your crankshaft size. <br>Package includes <br>1 x Go Kart Clutch <br><br><b>Note:</b>The Centrifugal Clutch 3/4" needs be oiled before use.<br><br><b> Warm Tips:</b> <br>Any problem, please send us message, we will give you a satisfied solution ASAP!