Description

Pro-Series Adjustable Secondary Linkage Kit for all Holley Double Pumper, HP, and Ultra XP carburetors.Includes All Necessary HardwareCompact design won’t interfere with throttle linkagePerfect for circle track and drag racingDetailed instructions includedSimple installationTough Stainless Steel construction for longevity, durability and controlChoose between a 1:1 and a progressive secondary ratioFeaturing Stainless Steel construction and a lightweight yet rugged design, it provides a bulletproof method of adjusting secondaries onall Double Pumper, HP, and Ultra XP carburetors. It allows user to pick between 1:1 or progressive secondary ratio. Kit provides infiniteadjustment of secondary throttle blades for maximum horsepower output.