Holley 20-122 Pro-Series Adjustable Secondary Linkage Kit

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.

• Choose between a 1:1 and a progressive secondary ratio
• Tough Stainless Steel construction for longevity, durability, and control
• Simple installation
• Detailed instructions included
• Perfect for circle track and drag racing
• Compact design won't interfere with throttle linkage
• Includes all necessary hardware

Installation Instructions (PDF)