Heavy Duty Centrifugal Clutch With Belt Pulley Go kart Mini Bike Go Kart. 1" ID

Brand new high quality belt drive centrifugal clutch. Suitable for up to 18hp engines. Comes with needle bearings instead of brass bushing for longer service life. 1/4" Key way Engagement Speed (RPM): 1800 Pulley Diameter 3.22 in Pitch diameter : 2.25 in Bi-directional operation Load-free starting Easy to install Will work with either 5/8 in W "A" or 1/2 in W "B" belt Bidirectional for installing inward or outward. Works on go karts and mini bikes, wood chippers etc. with engines up to 18hp. Clutch has 1 in bore with 1/4 in key way.