Pro Series Secondary Linkage

Pro-Series Adjustable Secondary Linkage Kit for all Holley Double Pumper, HP, and Ultra XP carburetors.

PART# 20-122

Be the first to write a review
$42.00   Suggested Retail
$37.80   Your Price
Free Shipping on orders over $100*
In Stock  
Add to Wish List


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.


  • Includes all necessary hardware
  • Compact design won?t interfere with throttlelinkage
  • 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


Emission Code5
Product TypeSecondary Linkage
WarrantyLimited 90 Day
Part Number20-122


This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Warranty Information

Limited 90 Day: See Details
We Suggest
    Also Bought

        *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

        Some parts are not legal for use in California or other states with similar regulations.