8 Sound Dual Echo Horn Kit with Controller, 12 Volt Windsor Each of the 4 mounting

Each of the 4 mounting slots are 3-7/16" wide

With bolts for installation

Idle jets: 46

GVW: 18000

Fits all small block Chevrolet V8 engines with standard exhaust pattern

8 Sound Dual Echo Horn Kit with Controller, 12 Volt Windsor Each of the 4 mountingEcho Echo Echo Echo Features 2 cast zinc horns (not plastic), one high and one low frequency The included 8 button control box has the following functions: Fast, Toggle, Do, Re, Mi, All On, Turn Back, Telolet To produce the "echo" effect, each horn cycles on and off in quick succession, back and forth The trumpets are weather proof, meaning they are dust and splash proof (they are not rated for excessive water i. e. being submerged) The control box