Featuring stainless steel construction and a lightweight yet rugged design, it provides a bulletproof method of adjusting secondary 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.

Product Features:

• Choose Between A 11 And A Progressive Secondary Ratio
• Tough Stainless Steel For Longevity/Durability/Control
• Simple Installation
• Detailed Instructions Included
• Perfect For Circle Track And Drag Racing
• Compact Design Wont Interfere With Throttle linkage
• Includes All Necessary Hardware