Pro Series 1:1 Secondary Linkage HO20-122 Product:For All Holley Double Pumper, HP & Ultra XP Carburettors Water Temp and Volts

Water Temp and Volts

Coil Extension Harnesses46" (1170mm) Suit GM LS Series Coils

By raising the supercharger it removes a large restriction in air flow which will allow more air thus more horsepower to be gained along with the ability to reduce the intake temperatures as well

dry conditions and rain water Clamps: Worm Drive Clamp AF23-2144 Constant Tension Clamp AF28-2639

Pro Series 1:1 Secondary Linkage HO20-122 Product:For All Holley Double Pumper, HP & Ultra XP Carburettors Water Temp and VoltsPro Series 1: 1 Secondary LinkageFor All Holley Double Pumper, HP & Ultra XP Carburettors HO20 122 20 122 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.