New Complete Jackshaft kit, 3/4" by 10". This is very popular for use on Go-carts and Mini bikes. This Kit includes 3/4" by 10" Jackshaft 3/16" Keyway . 10 Tooth Sprocket for #40/41 Chain, 3/4" ID. 14 Tooth Sprocket for #40/41 Chain, 3/4" ID. 2 Bearing hangers. 2 Standard Bearings. 1 key, 3/16" by 3/16" by 1-3/4". 1 Collar 3/4" ID. PLEASE CHECK OUT OUR STORE FOR MORE EXCITING AND HARD TO FIND PARTS FOR SMALL ENGINES LIKE GO KARTS, MINI BIKES, DIRT BIKES, ATVS, LAWNMOWERS, GENERATORS AND MORE.