Low Profile Alternator bracket that mounts on the drivers side of a 348-409 Chevy. Engineered for low hood applications. Works great on any vehicle with a wide engine compartment-Trucks, 50-60s Cars, etc. These Low Profile brackets bolt to heads and will work with readily available small block short water pump pulleys. A/C Bracket is designed for the Sanden 508 aftermarket compressor. Battery will need relocation in 1958 applications.