These appear to be discontinued and no longer available.
Genuine Italian chrome plated header pipe set for V7 Sport 1972-1974 and 750S. Original dimensions and construction, 38mm, chrome plated, single wall steel with the graceful and gradual curve from the cylinder head to the lower frame rail. These are sold as a pair containing one left and one right head pipe. Original part numbers 14120905 and 14120900