Terminator EFI Input/Output Kit - 558-420 crown-automotive Dually Rear Axle

Dually Rear Axle

2x Brass Union for Front to Rear Right Lines A+B and B+C

7L V8 1979 - 1986 GMC C2500 Suburban 454/7

00-inch mandrel-bent inlet tube flowing into a Super 40 series performance muffler with dual 2

Terminator EFI Input/Output Kit - 558-420 crown-automotive Dually Rear AxleOverview: PN 558 420 contains 5 extra input output wires that the base Terminator EFI harness does not contain. It contains Input wires for Inputs 1 4. It contains one wire for Output 2. These inputs and outputs can perform features and functions that must be programmed via Holley EFI laptop software. The software also contains instructions on how to program these. Features: Application: Year Make Model Submodel Engine Size Universal Specs: Brand