Restored Horn Assemblies, pair 1953-56 Olds, 1953-55 Buick Restoration and recalibration service on the original Oldsmobile and Buick 12 volt Hi and Low note Horn assemblies. Rebuilt units sent in advance require $125.00 per horn core charge, refunded upon reciept of your old horns with bracket. Core charge refund may be reduced or denied if original castings are broken or in excessively poor condition for restoration. Please contact us to check availability on rebuilt units.