Holley - 750 CFM - 4150 - Mechanical Secondaries - Shiny - Gasoline 1 - Steel - Internal

1 - Steel - Internal Balance - 2-Piece Seal - Chevy V8 - Each

Nose - MD3 - Combo - New Style - Fenders / Nose / Graphics - Plastic - Red - Ferrari - Dirt Late Model - Kit

Relay Switch - 70 amps - 12V - Universal - Kit

75 in H x 6

Holley - 750 CFM - 4150 - Mechanical Secondaries - Shiny - Gasoline 1 - Steel - InternalThese carburetors that are intended for use with superchargers, and have a unique capability that allows their power valves to reference the intake manifold vacuum below the supercharger. This allows the power valve to operate as it should, based off intake manifold vacuum. A power valve provides further enrichment to the main metering system under load (low vacuum) conditions. Without this external referencing, the power valve would be "reading" the