Each unit is hand-assembled and engine tested in the U.S. ensuring a new level ... throttle base plate gives you more room for tuning strategies! Easy to install, ... bolt it on and crank it up! Designed for racing applications and street ... pattern! Tunable air bleeds allowing for true idle stability! Fully compatible ... parts! Use the money you'll save for a new set of fabricated valve covers! ... May not be legal for sale or use in California or on many ... 0-80670 Holley Performance Carburetors 390 CFM Four Barrel Model 4160, Features: ... , Universal throttle lever. Designed for V6 engines and small displacement V8s. ... 0-8007 390 CFM Four Barrel ... float bowl, Universal throttle lever, Ford A/T kickdown, 50cc accelerator pump, ... : Manual Choke, Universal calibration (1964 earlier), Single feed/side hung float ...