Holley Pro-Series Adjustable Secondary Linkage Kit for Holley Double Pumper and HP Series Carburetors

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.

Features:

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

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!

Carburetor Accelerator Linkage Kit

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

Product Description:

Secondary Linkage

Adjustable

Stainless

Natural

Mechanical Secondary Holley 4150 / 4150 HP Carburetors

Kit

For over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do.