B Unit, shell only “Leslie Tyfon Air Horns (pair)” has been added to your cart. View cart $23.00 B Unit, shell only quantity Add to cart SKU: 1006 Category: Plastic Parts Description Description Related products Smooth Pilot with Separate Snap-On Coupler Door Cover $15.00 Add to cart South Western Model Company’s F Unit roof top coils $6.00 Add to cart Nose Door Set, Blank with Factory headlight & Retrofit Headlight $8.00 Add to cart Winterization Hatch & Late Style Steam Generator Vent $8.00 Add to cart