Race ready right out of the box!
Part of Holley's 4150 HP Series, this 650 cfm carb is NASCAR crate engine approved for use in Late Model classes. It has progressive mechanical secondaries, contoured venturi inlets, screw-in air bleeds, high-flow metering blocks, non-stick gaskets, lightweight slotted mixture screws, center-hung Dominator-style fuel bowls, and other great features.
It's 100% wet-flow tested and calibrated for gasoline.