Round Bell Horns & Kits
The classic Hadley Round Bell horn is one of the most widely recognized truck air horns in the world. The Hadley Round Bell horn is a classic heavy duty beauty.
As with all Hadley horns, do-it-yourself kits are available for Round Bell Horns which include everything needed to mount the system; horns, compressor, hoses, and 7/16″ 24 thread air port fittings with complete installation instructions. Whether as a single unit or as a set, the Hadley Rectangular Bell horn offers the traditional “Hadley Sound”, a crystal clear, characteristic note that can be heard for up to a mile.
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