Holley 0-82670 : Holley 670 CFM Marine avenger carburetor..Holley Marine Avenger carburetors feature all-aluminum construction with a gray hardcoat anodized finish for corrosion resistance and tough style. Carburetors, Marine Avenger, 670 cfm, 4-barrel, Square Bore, Electric Choke, Vacuum Secondaries, Dual Inlet, Hard Core Gray, Down-leg Booster, Each