Go Kart Minibike Jackshaft Kit 5/8 x 10 Inch For 40/41/420 Chain Sprockets, Includes UCFL203 Pillow Block Bearings, Two Shaft Collars, And Mounting Hardware For Quick, Smooth Torque Boost

Single 5/8 x 10 in Go Kart Jackshaft Kit with UCFL203
✔️ 1x 5/8x10 jackshaft; 2x UCFL203; 2x collars; 14T/8T; 3/16" keyway

Go kart minibike enthusiasts rely on this complete jackshaft kit to add a second drive stage, enabling quick torque boost and smoother power transfer. This kit is commonly used on go karts and minibikes that run 40/41/420 chain systems, and includes UCFL203 pillow block bearings for stable mounting.

✅ 1x 5/8" by 10" jackshaft
✅ 2x UCFL203 pillow block bearings
✅ 2x 5/8" bore shaft collars
✅ 1x 14 tooth 5/8" ID sprocket
✅ 1x 8 tooth 5/8" ID sprocket with built in key
✅ 1x 3/16" keyway
✅ 4 screws

💡 What is a jackshaft kit used for in go-karts and minibikes with 40/41/420 chain drives?

A handy setup that adds a secondary drive stage to improve torque transfer and chain alignment.

- Improves torque transfer in a compact space - Helps align 40/41/420 chain sprockets for smoother operation - Includes pillow block bearings for stable mounting ✝️