1949 Ford & Mercury Flathead V8 Wide Belt Crankshaft Pulley Also Fits 1948-1952 Ford Pickup V8 This is for the V8's using one single wide belt around the crankshaft pulley both water pumps and generator with one smaller belt driving the fan pulley only. Also see our "Crank Shaft Pulley Spacer and One Piece Modern Front Crank Seal Kit" Listed here on eBay to finish your installation. Fits Flathead V8's with the following designations: 8BA 8RT 8CM.