5/8 Jackshaft With 17mm Step Go Kart Torque Converter Kit | Off Road Go Kart Kit | Go Kart Jackshaft TAV2 Jackshaft Assembly ▲ 2-1/2 from end, 3/16 Keyway 30 Series Torque Converter Kit - Enhance Your Go Kart Performance ▲ 3/16 Key Nut, Washers, Snap Ring The kit includes a solid jackshaft measuring .66x6.37 inches with an 18mm step and 2.5 inches from the end, perfect for most standard go kart frames. You get two different sprockets - a 10-tooth #40/41 and a 12-tooth #35 Gear TAV 2 type, giving you flexibility for different gear ratio setups Description: 100% Brand new, Never been used. 5/8 x 6-1/4 Jackshaft for Comet Torque Converter TAV 212225 Go Kart ▲ 10 tooth #40/41 and 12 tooth #35 Gear TAV 2 Type