12t reverse gear box transmission go kart dune buggy

Go Kart Forward Reverse Gear box Fits 2HP – 11HP Engine 41P 10T or 12T TAV30
Specifications:
2HP – 13HP
Shaft Size: 5/8″ with 3/16″ keyway
Suitable for # 35 chain 12T or #40/41/420 Chain 10T
10T Sprocket OR 12T Sprocket (Both included)
Forward Ratio: 1:1.3
Reverse Ratio: 1:2.6

kit includes:
Forward / Reverse Gearbox
Mounting Plates (2)
Shifter Assesmbly
Shifter Disc
Shifter cable (2)
10T and 12T Sprocket included
Shifter assembly
3/16″ keyway