8J6544 Drive Sprocket Set (2 halves to make one full sprocket), 8 - 0S1756 Sprocket Bolts, 8 - 2J3506 Sprocket Nuts, 8 - 5P8248 Sprocket Washers.
Fits many Caterpillar 623 & 623B Elevated Scrapers that use 3/4" diameter bolts and only have 16 teeth per sprocket group. Please verify your bolt diameter & tooth count prior to purchase.
