Product Details
Key Features
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.
Pro-Series Adjustable Secondary Linkage Kit for all Holley Double Pumper, HP, and Ultra XP carburetors.
- Includes all necessary hardware
- Compact design won't interfere with throttle linkage
- Perfect 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
About this product
Pro-Series Adjustable Secondary Linkage Kit for all Holley Double Pumper, HP, and Ultra XP carburetors.



