GPX / YX / ZS H-D 4up Transmission (120cc-150cc)

New 4up transmission set with improved gears sets. Both tranny shafts with gears as shown. Both shift forks and shift drum assembled.

Fits Many 120-140-150cc rear clutch Pit bike engines with round cam covers.

FOR REAR CLUTCH MOTORS

Kit includes:

• TRC-2496 - Gear set 
• TRC-2497 - Shift drum

Note: 
NOT for YX140 semi auto motor
NOT for YX125 front clutch motor