Holley four-barrel carburetor with red arrows marking two vacuum…

Close-up of a Holley four-barrel carburetor with the air cleaner removed, showing the cast aluminum float bowl, metering block, and throttle linkage on an aluminum intake manifold. Two red arrows have been drawn on the photo pointing at a vacuum port fitting near the choke housing and a second port on the passenger-side body, with blue 8mm silicone suppression plug wires routed nearby.

AI caption March 2005 · Photo 31 of 32