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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
June 13, 2025
Worked great
Peter C.
April 22, 2025
On time, robust part, as promised. Should work nicely on my go cart
jacob d knapp
April 1, 2025
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
February 21, 2025
Used as a replacement part for an old brushmower. Worked great.
MacKenzie Moore
February 20, 2025
Don't fit a 5/8 shaft for sure do not buy this Chinese junk
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