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Carburetors built for performance! The Carburetor is the foundation of our expansive line of fuel system components! Whether you're looking for a 4 Barrel Double Pumper, Vacuum Secondary, Dominator, or 2 Barrel racing carburetor, we have a solution for you!
Factory Refurbished carbs have undergone a thorough inspection. We are making them directly available to the public. This allows you to get a great deal on a like-new carburetor!
Holley offers a selection of replacement muscle car carburetors, perfect for completing that six-pack setup or replacing a damaged unit. Check them out!
Holley's Tri-Power 3x2 Intake and Carburetor set still has a place in a world filled with modern engine swaps and EFI conversions. You simply can't beat the stunning looks of a tri-power setup...nor can you beat the noise!
Holley's Ultra XP 4150 is more than just a regular four-barrel. It's a very trick carburetor that is designed for the racers and the hardcore gearheads. With well-engineered design details and several features that have been asked for, the Ultra XP is a solid option for your air/fuel delivery needs.
Don't just take your brother or your friend's advice and jam the biggest carb you can find onto your engine. Do you really understand what your carburetor needs to be in order for your engine to be happy? Let us explain the details you need to now before you choose your next Holley carburetor!
This is a 750 cfm Holley carburetor that we’ll be using to set idle quality on a small-block Chevy on a test stand. This is a vacuum secondary 4150 style carburetor with two idle mixture screws.
There isn't just one way to feed a GM LS engine. Hi-rams, low-rams, truck intakes, even carburetor retrofits are available from Holley, so whatever you want to do to bring that junkyard score to life, we can handle it!
The graph below can be used to find your airflow requirement. It’s based on 100% volumetric efficiency so any indi-cated airflow must be multiplied by the volumetric efficiency of your particular engine. Use a carburetor with an air-flow rating equal to or slightly smaller than the air requirement of your engine.
A properly tuned carburetor with vacuum secondaries will provide excellent drivability and fuel economy when compared to a mechanical-secondary carb. It will also be more forgiving in terms of size selection and tuning flexibility.