Forward And Reverse Transmission Kit With 530 Chain For 420cc 11 18 HP Engines Beefy Aluminum Alloy Build Easy Install Reliable Power Transfer Replacement Part For Go Karts ATVs And Small Off Road Machines

40 Series Forward/Reverse Gearbox Kit for 420cc Power
✔️ 1x 40-series gearbox kit, aluminum alloy, 530 chain, 12T sprocket, 1:2 forward/reverse

This 40 series forward and reverse gearbox kit transfers engine power to drive forward and reverse on small off-road machines such as go karts, ATVs, and similar setups. Made from durable aluminum alloy for light weight and long life. It fits 420cc engines in the 11-18 HP range and uses a 530 chain with a 12-tooth sprocket.

✅ Material: Aluminum alloy for durability
✅ Intermediate shaft size: 3/4 inch, with 3/16 inch keyway
✅ Sprocket: 12 teeth, compatible with 530 chain
✅ Transmission ratios: Forward 1:2; Reverse 1:2:6
✅ Includes: 1 x 40 series forward reverse gearbox kit (Parts as shown)

💡 What is a 40-series forward reverse gearbox kit used for with small engines?

A handy overview for how this kit works in typical light off-road setups. - Applies to engines in the 11-18 HP range (420cc class) - Combines with a 530 chain drive and 12-tooth sprocket - Aluminum alloy construction for rugged, long life✝️