BlackStar 80BS31 1 7/16 K2S - 80 Pitch Finished Bore Sprocket - 31 Tooth - 1-7/16" Bore Stainless Steel so the 4L710 interchanges with

so the 4L710 interchanges with Gates 4L710

"name":"Gates 5L450K PoweRated V-Belts"

The B109 ships from the Texas Belting & Supply warehouse in Houston

"mpn":"1760M13-D&D"

BlackStar 80BS31 1 7/16 K2S - 80 Pitch Finished Bore Sprocket - 31 Tooth - 1-7/16" Bore Stainless Steel so the 4L710 interchanges withThe BlackStar 80BS31 1 7 16 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 7 16" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 80BS31 1 7 16 K2S Chain Pitch 80 Number of Teeth 31 Bore Size 1 7 16" Minimum Bore 1 1 4" Maximum Bore 2 15