BlackStar H80BTL29 - 80 Pitch Taper Lock Sprocket - 29 Tooth 20M 250J9 has 9 ribs and

250J9 has 9 ribs and a 25 in (Pitch Length)

and Jason Industrial 11/3VX375

"name":"Bando 8PK1870 Automotive Serpentine Belt"

Is 9/C140 interchangeable with Gates 9/C140

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BlackStar H80BTL29 - 80 Pitch Taper Lock Sprocket - 29 Tooth 20M 250J9 has 9 ribs andThe BlackStar H80BTL29 is a 80 pitch Taper Lock roller chain sprocket with 29 teeth, precision manufactured from SAE 1045 steel with induction hardened teeth for extended wear life and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket requires a Taper Lock Bushing (sold separately). Specifications Part Number H80BTL29 Chain Pitch 80 Number of Teeth 29 Bore Type Taper Lock Hub Style Taper Lock Bushing Required