Reproductions of the classic Fat Bob gas tank. Mounting is made to OEM specifications for a perfect fit on stock Harley 4 Speed Big Twin frames thru 1984 (except Softails). Also fits custom rigid and swing arm frames. Each tank is made to accept either the FX style dual instrument dash or the FL-FXWG style large speedo dash. Available in 3.5 gallon and 5 gallon. Tank accepts OEM or after market gas caps and fuel valve.