There are at least two different primary metering block gaskets for a typical 4150 and many 4160-style Holley carburetors. We’ll use the very popular 600 cfm Holley vacuum secondary, commonly known as ...

Holley stands behind their products. As the world's leading manufacturer of performance carburetors and carburetor components, they want the customer to be satisfied. That's why you'll find a service ...

Because the Autolite 4300, an emissions carburetor, quickly proved unpopular when it replaced the 4100 in 1967, many were replaced by Holley carburetors with their improved performance and solid ...