Holley Pro-Series Adjustable Secondary Linkage Kit for Holley Double Pumper and HP Series Carburetors R01J003XL These shock absorbers include a

These shock absorbers include a steel body with external nitrogen fill valve and can be converted to a coilover application (kit sold separately)

Coil-Over Thrust Bearing

dust and debris

Big Block Ford / Ford Cleveland / Modified

Holley Pro-Series Adjustable Secondary Linkage Kit for Holley Double Pumper and HP Series Carburetors R01J003XL These shock absorbers include aFeaturing 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