BlackStar H80BS17 1 1/8 K2S - 80 Pitch Finished Bore Sprocket - 17 Tooth - 1-1/8" Bore A "name":"Gates QD8C13

"name":"Gates QD8C13

Dayco 5L1010

The BX88 is used for hvac blowers and air handlers

The SPZ2500 has a 9

so a 10T5/640US from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

BlackStar H80BS17 1 1/8 K2S - 80 Pitch Finished Bore Sprocket - 17 Tooth - 1-1/8" Bore A "name":"Gates QD8C13The BlackStar H80BS17 1 1 8 K2S is a 80 pitch Finished Bore roller chain sprocket with 17 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 has a 1 1 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H80BS17 1 1 8 K2S Chain Pitch 80 Number of Teeth 17 Bore