12T Jackshaft 16mm Bore

12 Tooth 41/420/40 chain with a 16mm Bore centered sprocket.

Sprocket C-Type #50 - 5/8" Bore

Centered C-type sprocket for #50 Chain 5/8" Center Bore 3/16" keyway

Jackshaft Sprocket, Type "B" #420 - 3/4" Bore

"B" Jackshaft Sprocket for #41/420 chain with a 3/4" center bore and 3/16" keyway.  These "B" Type Sprockets have a machined collar to them with set screws.   Part #: 10T #2110 11T #2111 12T #2112 13T #2113 14T #2114

Sprocket C-type #50 - 3/4" Bore

Centered C-type sprocket for #50 Chain 3/4" Center Bore 3/16" keyway    

12T Jackshaft Sprocket 5/8" Bore

12 Tooth 41/420/40 chain with a 5/8" Bore centered sprocket

Jackshaft Sprocket, Type "B" #420 - 5/8" Bore

Jackshaft Sprocket, 5/8" bore for #41/420 chain 10-17 teeth. Choose how many teeth you want.   Part # 10T #2103 11T #2104 12T #2105 13T #2106 14T #2107 17T #2108

5/8" Jackshaft Sprocket, 9t #40/41/420

Jackshaft Sprocket 9T for #41/420/40 chain  5/8" bore ( Manco / American Sportworks) 5/8" bore with integral key. Replacement for the Manco 1125S sprocket.

Jackshaft Sprocket, Type "B" #35 - 3/4" Bore

For #35 ChainAZ2138 - 10T 3/4" boreAZ2140 - 12T 3/4" boreAZ2142 - 14T 3/4" boreAZ2144 - 16T 3/4" boreAZ2146 - 18T 3/4" boreAZ2147 - 20T 3/4" bore For #41/420 Chain AZ2110 10T 3/4" bore AZ2112 12T 3/4" boreAZ2114 14T 3/4" bore

Jackshaft Sprocket, Type "B" #35 - 5/8" Bore

For #35 ChainAZ2138 - 10T 3/4" boreAZ2140 - 12T 3/4" boreAZ2142 - 14T 3/4" boreAZ2144 - 16T 3/4" boreAZ2146 - 18T 3/4" boreAZ2147 - 20T 3/4" bore For #41/420 Chain AZ2110 10T 3/4" bore AZ2112 12T 3/4" boreAZ2114 14T 3/4" boreAZ2115 16T 3/4"...

12t#35 or 10t#41 5/8B Sprocket

Jackshaft sprocket with 5/8" bore. Choose 12t for #35 chain or 10t for 41/420 chain.

Manco Sprocket upgrade, 36T- 16T, 13063 - Comes with #35 3ft Chain

Manco dual sprocket 36t - 16t 5/8" ID (Models 425 - 426 karts) This replaces part# 12994 (36t - 12t ) to make the kart run a little faster. Increases speed approximately from 8mph to 13mph   The slower stock 36t - 12t sprocket is no longer...

5/8" Jackshaft Sprocket, 10t #40/41/420

10T jackshaft sprocket for 41/420 chain,  16MM bore ( will work with5/8") with 3/16 key.