Pro Series 1:1 Secondary Linkage HO20-122

For All Holley Double Pumper, HP & Ultra XP Carburettors

HO20-122

20-122

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 XP 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. Features: Includes all necessary hardware Compact design won?t interfere with throttlelinkage Perfec t for circle track and drag racing Detailed instructions included Simple installation Tough Stainless Steel construction for longevity, durability and control Choose between a 1:1 and a progressive secondary ratio