EVIL ENERGY 750 CFM 4 Barrel Carburetor with complete kit including gasket, mounting hardware, and branded box – free shipping and 180-day return guarantee
EVIL ENERGY 750 CFM 4 Barrel Carburetor technical specifications: main jets #74, 0.031-inch accelerator pump nozzle, 1.688-inch throttle bore, and 3.25-inch overall height
EVIL ENERGY 750 CFM 4 Barrel Carburetor flange size diagram with bolt hole spacing and throttle bore dimensions for square bore intake compatibility
Before and after comparison of carburetors: old, dirty OEM unit vs upgraded EVIL ENERGY 750 CFM 4 Barrel Carburetor with robust CNC construction and improved performance
EVIL ENERGY 750 CFM 4 Barrel Carburetor designed for instant throttle response, improved fuel atomization, smoother idle, and stronger high-RPM power output
EVIL ENERGY 750 CFM 4 Barrel Carburetor installed on performance engine, demonstrating precise air-fuel control, easy plug-and-play setup, and field-tested reliability
500,000+ customers showcasing Evil Energy performance parts and packaging in garages and personal projects

EVIL ENERGY 750 CFM 4-Barrel Carburetor Mechanical Secondary

SKU: EVFS23-00059SR-009-L
Product Type: Carburetor
$469.99
$469.99
$499.99

Get 8% OFF New Carburetor: CARBURETOR008

Optimized Street-Strip Performance

  • 750 CFM square-bore flow with mechanical secondaries (instant power engagement)
  • Dual fuel inlets ensure stable supply during hard acceleration
  • Balanced 1.38" primary/secondary venturis for linear power delivery

Precision Calibration

  • #74 primary jets (street efficiency) + #80 secondary jets (WOT performance)
  • 6.5Hg power valve for controlled fuel enrichment
  • 0.031" accelerator pump nozzle for crisp throttle response

Automatic Transmission Ready

  • compatible with GM, Chrysler, Ford A/T kickdown linkage. Additional parts may be required.
  • Electric choke enables instant cold starts in all conditions
  • Low-profile 3.25" height clears stock hoods

Secure online checkout with free 1-year warranty, 180-day money-back guarantee, free shipping over $50, and expert customer support from 
EVIL ENERGY.
EVIL ENERGY 750 CFM 4 Barrel Carburetor with complete kit including gasket, mounting hardware, and branded box – free shipping and 180-day return guarantee

EVIL ENERGY 750 CFM 4-Barrel Carburetor Mechanical Secondary

$469.99 $499.99

EVIL ENERGY 750 CFM 4-Barrel Carburetor Mechanical Secondary

$469.99 $499.99

Product Manual

  • Carburetor Product ManualDownload

Brand EVIL ENERGY
Barrels 4
CFM 750
Carburetor Flange Square bore
Choke Type Electric
Secondary Throttle Type Mechanica
Fuel Inlet Dual
Calibration

Main Jets:#74
Secondary Jets:#80
Accelerator Pump Nozzle:0.031 inch
Power Valve :6.5Hg

Venturi Diameter
Primary Venturi Diameter: 1.38 inch
Secondary Venturi Diameter: 1.38 inch
Throttle Bore Diameter 1.6875 inch
Carburetor Height
3.25 inch
Compatibility  GM, Ford, Chrysler AT Shift Linkage Assemblies
Remanufactured No

The EVIL ENERGY 750 CFM 4-Barrel Carburetor is engineered for street performance and racing V8 engines, delivering maximum horsepower, instant throttle response, and precise air-fuel control. Featuring a 750 CFM high-flow 4-barrel design, advanced venturi and booster technology for improved fuel atomization, an electric choke for easy cold starts, mechanical secondaries for explosive acceleration, and dual fuel inlets for consistent supply, this carburetor ensures smooth combustion, reliable power, and stable high-RPM performance. Built from premium alloy with a corrosion-resistant coating, it offers long-term durability while remaining easy to install and tune on most performance V8 applications. Compared to the Quick Fuel 750 CFM 4-Barrel Carburetor BR-67213 ($699.95), the EVIL ENERGY 750 CFM 4-Barrel Carburetor delivers equal performance and reliability at just $469.99, saving you over $230 without compromising quality.

Key Features

  • Instant Throttle Response – The EVIL ENERGY 750 CFM 4-Barrel Carburetor uses a 1.38-inch venturi and optimized jetting (#74/#80) to deliver crisp throttle input and smoother transitions.
  • High-RPM Power Output – Tuned for peak airflow delivery, the 750 CFM 4-Barrel Carburetor provides maximum horsepower, making it ideal for street performance and strip racing builds.
  • CNC-Machined Precision – Crafted from premium alloy with a corrosion-resistant finish and tight tolerances, this Performance 750 CFM 4-Barrel Carburetor ensures durability and consistent performance.
  • Easy Bolt-On Fitment – Designed as a direct replacement carburetor for square-bore manifolds, it installs easily with no tuning required during initial setup.
  • Smooth Idle & Combustion – Enhanced fuel atomization technology improves combustion efficiency, ensuring better idle quality, throttle response, and drivability.
  • Electric Choke & Dual Fuel Inlets – Delivers plug-and-play convenience with reliable cold-start control and consistent fuel supply under demanding conditions.

Professional-Grade Design

The EVIL ENERGY 750 CFM 4-Barrel Carburetor is engineered to outperform OEM units with a durable, corrosion-resistant construction built for long-term reliability. Whether you’re replacing a faulty stock carburetor or upgrading your classic hot rod for more power, this 750 CFM 4-Barrel Carburetor delivers superior fuel atomization, instant throttle response, and consistent high-RPM performance. As a true Performance 750 CFM 4-Barrel Carburetor, it’s the perfect choice for enthusiasts who demand precision, durability, and maximum horsepower from their V8 engines.

EVIL ENERGY 750 CFM 4 barrel carburetor featuring instant throttle response, high fuel atomization efficiency, smooth idle, and powerful high-RPM performance
Side-by-side comparison showing old, rusty carburetor versus upgraded EVIL ENERGY 750 CFM 4 barrel carburetor with corrosion-resistant CNC-machined construction and raw power boost
Detailed close-ups of EVIL ENERGY 750 CFM 4 barrel carburetor highlighting CNC-machined aluminum body, dual fuel inlets, and precision linkage system
EVIL ENERGY 750 CFM 4 barrel carburetor in action, demonstrating enhanced air-fuel mixing, throttle response, increased horsepower, and durable alloy build
EVIL ENERGY 750 CFM 4 barrel carburetor being installed on a performance engine, showcasing easy bolt-on fit, professional-grade reliability, and high-speed stability

⚠️ APPLICATION RESTRICTIONS:

Not Fit for boats,fuel inlet thread is 7/8-20in

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle

Why Choose EVIL ENERGY Carburetor?

Performance You Can Feel

From crisp throttle response to high-RPM stability, the EVIL ENERGY 750 CFM 4 barrel carburetor is built for real performance. Whether you're cruising the street or pushing redline, our carb delivers uncompromising power and control.

Engineered for Ease

No tuning? No problem. Every EVIL ENERGY carburetor comes pre-calibrated with precision-matched jets, electric choke, and easy bolt-on fitment—perfect for DIYers and pros alike.

Superior Craftsmanship

Crafted with high-grade aluminum alloy and CNC-machined for exact tolerances, our 4-barrel carburetors resist rust, warping, and wear—even under heat and vibration.

Trusted by Builders

Proven in the field by thousands of performance tuners, our carburetors are a go-to choice for those upgrading their classic muscle car, hot rod, or off-road rig.

Unleash Hidden Horsepower

Swap out that rusty, clogged OEM carb for a modern upgrade. EVIL ENERGY lets your engine breathe right—unlocking untapped power, cleaner idle, and better throttle feel.

FAQs

Q1: How much horsepower does a 750 CFM carburetor support?
A1: A properly tuned 750 CFM 4 barrel carburetor can typically support up to 450–500 horsepower, depending on your engine’s displacement, cam profile, and overall setup. The EVIL ENERGY 750 CFM carburetor is designed for high-performance builds that demand serious airflow.

Q2: What does 750 CFM mean on a carburetor?
A2: CFM stands for Cubic Feet per Minute—it measures the amount of air the carburetor can flow. A 750 CFM carb delivers 750 cubic feet of air per minute, ideal for mid to large displacement V8 engines that operate at higher RPMs.

Q3: Will a 4 barrel carburetor increase horsepower?
A3: Yes, upgrading to a 4 barrel carburetor—especially a performance unit like the EVIL ENERGY Carburetor—can significantly improve horsepower by increasing air-fuel delivery and throttle response, especially in high-revving engines.

Q4: What is the best 750 CFM carburetor for street and strip use?
A4: The EVIL ENERGY 750 CFM 4 barrel carburetor offers electric choke, mechanical secondaries, CNC-machined body, and dual fuel inlets, making it a top choice for enthusiasts seeking street drivability with race-ready power.

Q5: Can you put a 750 CFM carburetor on a stock 350 engine?
A5: Yes, but it depends on your engine build. A stock 350 small block may be over-carbureted with 750 CFM, but with headers, performance cam, and a high-flow intake, the EVIL ENERGY 750 CFM carb will shine.

Q6: How do I know if I need a 750 CFM carburetor?
A6: Use this formula: Engine CID × Max RPM ÷ 3456 = Required CFM. If the result is near 750, you're a great candidate. If you're unsure, the EVIL ENERGY team offers fitment advice for custom builds.

Q7: Is a vacuum or mechanical secondary better for performance?
A7: For aggressive builds or racing, mechanical secondaries—like those in the EVIL ENERGY 750 CFM carburetor—deliver instant throttle response and better wide-open performance.

Q8: Can I install the EVIL ENERGY carburetor myself?
A8: Yes! Our carburetors are designed for plug-and-play installation. Bolt it on, connect the linkage and fuel lines, and you're good to go—no tuning required in most setups.

Q9: Does the EVIL ENERGY 750 CFM carburetor fit Ford AOD transmissions?
A9: Absolutely. This carb is compatible with Ford AOD transmission linkages, making it a perfect fit for many Ford small-block applications.

Q10: What’s the difference between 600 CFM and 750 CFM carbs?
A10: A 600 CFM carburetor suits small to mid-size engines, while a 750 CFM carb is better for high-performance or large displacement engines that require greater airflow at higher RPMs.

EVIL ENERGY's logo

CFM Calculator

Enter engine parameters to calculate optimal CFM (Cubic Feet per Minute). Based on engine type and modification level, we’ll recommend the best carburetor size.

Modification Level:
Recommended CFM Range: 0 - 0

If you have any other questions, please contact Customer Service at support@ievilenergy.com for assistance.

Brand Summary

Policy Details
Cancellation Policy Orders can be canceled within 48 hours of placement. Refund processed in 3-5 business days.
Returns Policy Returns accepted within 180 days. Full refund within 90 days; 15% fee for 90-180 days.
Non-Returnable Items Only regular-priced items are eligible for refunds; sale items are non-refundable.
Refund Processing If no refund received, check your bank/credit card. For ongoing issues, contact support@ievilenergy.com.

Return Reasons

  1. Quality Issues: Provide photos/videos; we cover return shipping.
  2. Wrong Item Ordered: Buyer covers return shipping; email within 30 days.
  3. Change of Mind: Buyer covers return shipping; email within 30 days.
  4. Shipping Damage: Inspect packages; do not sign for damaged items.
  5. Incorrect Item Shipped: Contact within 7 days.

Price Protection Policy

Effective from August 25, 2024. Price drops within 7 days of purchase can be claimed.

Disclaimer

EVIL ENERGY reserves the right to interpret, modify, or terminate this policy in accordance with applicable laws and regulations.

If you need further information or assistance, feel free to ask!

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Related Products

Recently Viewed Products