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Your cart is empty.5/8" Bore Sprocket for #40/41/420 Chain 12 Tooth without Keystock5/8" Bore B Type Engine Sprocket for Jackshafts. B Type sprockets have a hub on one side. Keyways are 3/16". B sprockets have (2) 5/16-18 set screws. #40/41/420 Chain 12 Tooth No Keystock.7/8" depth of bore.
Melvin ross
2025-06-13 15:37:48
Worked great
Peter C.
2025-04-22 15:58:21
On time, robust part, as promised. Should work nicely on my go cart
jacob d knapp
2025-04-01 14:47:09
Fit my bikes 5/8 shaft fine but the keyway was too small to fit I had to open it up slightly by hand to make it work
F. L. Schlaeppi
2025-02-21 12:41:31
Used as a replacement part for an old brushmower. Worked great.
MacKenzie Moore
2025-02-20 14:36:24
Don't fit a 5/8 shaft for sure do not buy this Chinese junk
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