Holley HP Carburetors have been the standard in racing Carburetors for nearly two decades. So how do you make them better? You make them 38% lighter, increase the fuel capacity by 20% and add 30 other new features! They’re available in our all–new Hard Core Gray hard coat anodized finish with Black billet for superior corrosion protection. They’re also available in natural tumble–polished aluminum with your choice of Black or Red metering blocks and base plate. The Aluminum Ultra HP comes in 600, 650, 750, 850, and True 950–CFM.