BlackStar 80BS31 1 3/8 K2S - 80 Pitch Finished Bore Sprocket - 31 Tooth - 1-3/8" Bore Neoprene 32T10/600US is a timing belt

32T10/600US is a timing belt used on positive

1442-14M-85 Timing Belt

3/C420 Banded V-Belt

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BlackStar 80BS31 1 3/8 K2S - 80 Pitch Finished Bore Sprocket - 31 Tooth - 1-3/8" Bore Neoprene 32T10/600US is a timing beltThe BlackStar 80BS31 1 3 8 K2S is a 80 pitch Finished Bore roller chain sprocket with 31 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 3 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 80BS31 1 3 8 K2S Chain Pitch 80 Number of Teeth 31 Bore Size 1 3 8" Minimum Bore 1 1 4" Maximum Bore 2 15 16"