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Holley

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
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Holley Days Price
$42.54
Suggested Retail
$47.27
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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 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 Holley

Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality.

Brand Holley
ColorZinc
Emission Code5
MaterialSteel
Model4150
Product TypeSecondary Linkage
WarrantyLimited 90 Day
UPC090127605806
Part Number20-122
5

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.

Limited 90 Day: See Details
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