Holley 4Di Instructions?

Answer Holley has manufactured naturally aspirated mechanical carburetors since 1903. During the mid 1990s, fuel injection became a popular and sometimes necessary advance in engine technology. To maintai... Read More »

Top Q&A For: Holley 4Di Instructions

Holley 4180 Rebuild Instructions?

Built for the late-model Ford Mustang, the 4180 Holley carburetor is a 600-CFM, four-barrel carburetor with a single pump and dual center-hung floats. Considered to be a mid-size carburetor for str... Read More »

Rebuild Instructions for a Holley 0-6210?

The Holley 0-6210 is a spread-bore, 4-barrel, single-pumper carburetor with mechanical secondaries and a built-in fuel filtering system. This carburetor is designed for small-block street engines, ... Read More »

Instructions to Rebuild a Holley 4150?

The Holley 4150 is one of the most widely used carburetors in Holley's extensive lineup of fuel delivery systems. Holley has even dedicated a video series to tuning, adjusting and rebuilding the 41... Read More »

Holley 4412 Rebuild Instructions?

The Holley 4412 is a strong performing carburetor that comes from a long line of Holley performance products. Just as with other carburetors, over time the insides of the 4412 can become gummed up ... Read More »