Check out this converto solution for adding shower to an existing 4-foot and 4-1/2-foot bath tubs ...
These leg tub faucets and fixtures are faithful reproductions of antique originals. Faucets are made of solid brass, skillfully manufactured and 100% tested before it leaves our factory. With the "Supercoat" protected finish, these faucets can be as care free as any lifestyle, yet have the solid brass durability of the classics. Supercoating is a 2 part epoxy, applied electrostatically and baked on to insure a lasting shine. Faucet is guaranteed by manufacturer for 5 years from date of original purchase. Sets Available in Polished Chrome and Polished Brass finishes
P0759* Circular Tub / Shower Enclosure Set includes:
-P0400* - Tub Faucet with gooseneck spout, porcelain lever handles marked HOT, COLD and SHOWER, 3-3/8" centers
-P0709* - Shower Riser with 8" gooseneck projection, Height over 5 feet, 5/8" 2-piece solid brass tubing O.D., 37" top, 27" bottom, 1/2" IPS shower head connection, 1/2 X 20 national fine thread into coupler
-P0757* - Circular Shower Enclosure, 32" diameter with 1 x 12" wall brace and 1 x 36" ceiling brace, braces may be adjusted by cutting ends to desired length
-P0685* - Centurion Shower Head, 4" diameter, 1/2" IPS connection

Approximate Lead Time:
Standard - 5 to 7 business days
Expedited Service - 3 to 5 business days
Express Air Service - 2 to 4 business days.