Featuring Stainless Steel construction and a lightweight yet rugged design, it provides a bulletproof method of adjusting secondaries on all Double Pumper, HP, and Ultra HP carburetors. It allows user to pick between 1:1 or progressive secondary ratio. Kit provides infinite adjustment of secondary throttle blades for maximum horsepower output.
Pro–Series Adjustable Secondary Linkage Kit for Holley Double Pumper and HP series Carburetors
Choose between a 1:1 and a progressive secondary ratio
Tough Stainless Steel construction for longevity, durability and control
Detailed instructions included
Perfect for circle track and drag racing
Compact design won?t interfere with throttle