How to Rebuild Holley Pro Series 4150 HP Carburetors?

Answer The Holley 4150 HP series is designed to be highly tunable and flexible for a wide performance range. Four barrels are fed by spun boosters, adjustable air bleeds, a polished air horn and high-flow... Read More »

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How to Rebuild a Holley 4150 Carburetor?

First produced in 1957, the Holley 4150 is a mainstay within the Holley carburetor family. Its 4-barrel, double-pumper design lends itself to street engines, drag cars and high-performance off-road... 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 »

How do I Convert a Holley 4150 to Alcohol?

Holley gasoline carburetors are designed to bring fuel into the engine in metered increments. If you upgrade your engine to run alcohol, your gasoline carburetor will need to deliver twice as much ... Read More »

How to Set Idle Mixture Screws on a Holley 4150 Carburetor?

The Holley 4150 carburetor is a four-barrel carburetor designed specifically for high-performance engines. The carburetor is known as a "four-corner" carburetor because it features a single air/fue... Read More »