HOLLEY CARBURETOR 650CFM
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Holley Ultra Xtreme Performance carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs! They re available in our all-new Hard Core Gray hard coat anodized finish with Black billet for improved corrosion protection. Holley Ultra XP carburetors offer new features such as an integrated idle bypass valve that allows for idle adjustments while maintaining the correct throttle plate to transfer slot relationship, high capacity fuel bowls which feature 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh. Other features include all aluminum construction, fully tunable billet metering blocks, billet base plate, adjustable secondary linkage and knurled (hand adjustable) curb idle screws. Holley Ultra XP carburetors are the ultimate in square bore race carburetors!