<p>Material: Iron & Aluminum<br> Drive clutch bore: 3/4"(19mm)<br> Driven unit: Diameter 6" (5/8" driven pulley)<br> Sprocket teeth: 10 tooth #40/41chain and 12 tooth #35 chain<br> Engagement range: 2350±200 RPM<br> Recommended engine: 2HP-7HP<br> Belt: Asymmetrical type<br> Fits: All engines with a 3/4 inch straight crankshaft<br> <br> Package Included:<br> 1 x Plastic Assy Cover<br> 1 x Aluminum Mounting Bracket Plate<br> 1x 10 Tooth Sprocket for #40/41 chain & 1x 12 Tooth Sprocket for #35<br> 1 x 5/8" bore driven pulley 6" diameter<br> 1 x 3/4" Driver pulley<br> 1 x Full Mounting hardware Kit<br> 1 x Drive belt</p>