SP321 - Sprocket, 7-Tooth, 1-1/2" Bore, 3/8" Keyway SP321 - Sprocket, 7-Tooth, 1-1/2" Bore, 3/8" Keyway Product form HOOK TOOTH Â WESTMILL PART NO. CROSS REFERENCE NO. TEETH HUB STYLE SP321 Coe 389 Moore RD-3 7 C BORE... SKU: S03-0015 All Prices are in Canadian Dollars Log in to purchase