[Brand New]100% brand new high quality ATV clutch, strictly full tested to ensure the best quality before shipment, safe to use [High Quality]Common clutch for 8 h-p engines using #40/41/420 chain. Mounts onto crankshaft using bolt and washer on the end of the crankshaft [Application]Engine clutch can fit for Go kart / mini bike / ATV / snowmobile [Good Performace]By the time most clutches wear out the chain is in need or replacing as well. A worn out chain will stretch, causing the rollers to ride on top of the teeth of the chain. Two things happen at this point you will prematurely wear down the teeth of the clutch as well as your drive sprocket and you will constantly have your chain come off the sprockets [Easy to Install]Mini bike engine is easy to install and maintain Features:1.100% brand new high quality ATV clutch, strictly full tested to ensure the best quality before shipment, safe to use2.Common clutch for 8 h-p engines using #40/41/420 chain. Mounts onto cr