Fuel System

Your engine is only as strong as the fuel system feeding it. Whether you're building a high-output EFI setup, refreshing a carbureted classic, or chasing maximum power on a forced induction build, your fuel delivery system is the backbone of consistent, reliable performance. This collection covers every component in the fuel circuit — from tank to injector — so you can build with confidence and run without compromise.

Fuel delivery starts at the source. Our selection of fuel pumps spans OEM-replacement units to high-flow performance pumps capable of supporting serious horsepower. Pair them with fuel tanks and cells built for street, strip, or off-road use — including baffled sumps and surge tanks for high-G applications where fuel starvation is a real concern.

Precision fueling demands the right fuel injectors, fuel rails, and pressure regulators working in sync. Whether you're running a stock displacement motor or a built engine pushing elevated boost, matched injector sets and adjustable regulators give you the control to dial in air-fuel ratios and protect your tune. Fuel filters keep contaminants out of sensitive components, extending injector life and maintaining consistent flow rates across the RPM range.

For carbureted builds, we carry a full lineup of carburetors and carburetor components — jets, needles, accelerator pumps, rebuild kits, and more — to keep your carb performing like new or upgraded for more airflow. Throttle bodies, throttle cables, and throttle linkage components round out the mechanical side of fuel delivery, ensuring crisp, lag-free throttle response whether you're running a single four-barrel or a multi-carb setup.

On the EFI side, our fuel injection systems and supporting hardware are engineered for plug-and-play simplicity or full custom integration. From standalone TBI kits to multi-port sequential injection systems, these solutions bring modern fuel management to classic platforms and push modern engines further than factory calibration allows.

This collection is built for daily drivers, weekend warriors, track builds, show trucks, and off-road rigs alike. Fitment spans a wide range of domestic and import applications — carbureted and fuel-injected, naturally aspirated and forced induction. Whether you're wrenching on a muscle car, a diesel truck, or a late-model performance platform, you'll find the right components here.

Installation ranges from straightforward bolt-on swaps to full system builds requiring fabrication and tuning. Fuel pump replacements and filter swaps are weekend jobs for any competent DIYer. Injector upgrades and regulator installs typically pair with a retune. Full EFI conversions and custom fuel cell builds may require professional fabrication — but the hardware here is up to the task regardless of who's doing the work.

Shop the full Fuel System collection and get every component you need to feed your build right — from the tank to the combustion chamber.

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    Holley Main Jets (2) - Bbvl_122-50
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    Holley Main Jets (2) - Bbvl_122-68
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    Holley Main Jets (2) - Bbvl_122-77
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    Holley Main Jets (2) - Bbvl_122-78
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    Holley Main Jet Extension - Bbvl_122-5000
    $16.25 USD
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    Holley Emulsion Bleed Tuning Kit - Bbvl_36-322
    $191.65 USD
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    Holley Jet Assortment - Bbvl_36-181
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    Holley Alcohol Jet Assortment - Bbvl_36-201
    $170.95 USD
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    Holley Needle & Seat - Bbvl_6-504
    $27.24 USD
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    Holley CARB Jet Board Billet Alm - Black - Bbvl_122-220
    $53.96 USD
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    Holley Needle & Seat (spring Loaded) - Bbvl_6-513
    $46.76 USD
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    Holley Viton Inlet Needle & Seat - Bbvl_6-518-2
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    Holley .150in Needle & Seat Assembly - Bbvl_6-521
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    Holley Needle & Seat - Bbvl_6-502-2
    $79.16 USD
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    Holley .130in Needle & Seat Assembly - Viton - Bbvl_6-522
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    Holley Needle & Seat - Bbvl_6-506
    $22.78 USD
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