Image Item No. Description  69963  Vehicle, Base 2 x 4 with Suspension Catalog: Parts: Vehicle, Base  65634  Vehicle, Base 6 x 12 x 1 with 5 x 4 Recessed Center and 8 Holes Catalog: Parts: Vehicle, Base  43979  Vehicle, Base 12 x 12 x 1 1/3 with 8 x 4 Recessed Center and 8 Holes Catalog: Parts: Vehicle, Base