The front clutch for the Mudhead / 80T mounts to the crankshaft.

Mudhead Front Clutch Variator / 80T Front Clutch / 80T Variator / Trailmaster Mid XRX Front Clutch / Trailmaster Mid XRX Variator / Marauder Driver Pulley

CHINESE substitute for:  Series 30 Asymmetrical, 3/4" shaft.  Replaces Kartco 7642, Ken-bar 209-713, Comet 218037, Murray 680167, Manco 5957, and Carter G752.  Fits Yerf-dog karts that use Comet torque converter (replaces Yerf-dog Q43201W).  Replaces 203814A and 203814C.

30 series driver, asymmetrical 3/4" bore, with 3/16" key.  

Used to replace:  
Manco #5957  
American Sportworks # 14716  
Comet # 203814  
Comet # 219552  
Murray # 680167  
Murray # 1201404  
Yerf-Dog Q43201W  

219552 / 5957 / 203814 

Hammerhead Part # 9.500.010  

American Sportworks part # 14716

Trailmaster part # 9.500.001 -- This number is the Hammerhead Mudhead Rear Clutch...please VERIFY by the pictures.

Trailmaster part # 9500001080G000