Holley Pro-Series Adjustable Secondary Linkage Kit for Holley Double Pumper and HP Series Carburetors DynoMax Performance Exhaust Like the DV plus though

Like the DV plus though

Precision machined from chromemoly steel then black oxided

(1) -10 an o-ring inlet

Two Exit Style Choices: Slash Cut or Turndown

Holley Pro-Series Adjustable Secondary Linkage Kit for Holley Double Pumper and HP Series Carburetors DynoMax Performance Exhaust Like the DV plus thoughFeaturing 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