Application: Forward Reverse gearbox is fit for go-karts, utility vehicles and other applications with engines up to 11HP Note: Please only use on 30 SERIES Specification: Condition: Brand New Material: Metal Shaft Size: 5/8" with 3/16" keyway Warranty: 2 years warranty for any manufacturing defect Shaft size: for driven clutch is 5/8'' with 3/16'' keyway Forward Ratio: 1:1:3 Reverse Ratio: 1:2:6 Package includes: 1 X Forward / Reverse Gearbox with 3/16" Keyway 2 X Mounting Plates 1 X Shifter Disc 2 X Shifter Cable 1 X 10T and 12T Sprocket 1 X Shifter Assembly Note: Contact us please for whatever we can help. Return Policy: All of our items come with a 30-day return policy. If you encounter any defects or damages, simply contact us with details and photos, and we'll arrange a refund or replacement. Please note that returns due to non-seller errors are subject to return shipping costs. We reserve the right to refuse any returns for objective reasons. Shipping Policy: All of our items are shipped with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.