EVIL ENERGY 650 CFM 4-barrel Carburetor, full accessories, free shipping
EVIL ENERGY 650 CFM 4 - barrel Carburetor specs, main jets #70, throttle bore 1.688-inch
EVIL ENERGY 650 CFM 4 - barrel Carburetor flange size, technical dimensions
EVIL ENERGY 650 CFM 4 - barrel Carburetor performance, CNC - machined, prime alloy
EVIL ENERGY 650 CFM 4 - barrel Carburetor quality, lightweight, rust - proof
EVIL ENERGY 650 CFM 4 - barrel Carburetor upgrade vs original, robust structure
EVIL ENERGY 650 CFM 4 - barrel Carburetor, instant response & high - RPM power
EVIL ENERGY 650 CFM 4 - barrel Carburetor, high - performance engine solution
EVIL ENERGY 650 CFM 4 - barrel Carburetor, 500,000 + raving fans

EVIL ENERGY 650 CFM 4-barrel Carburetor Mechanical Secondary

SKU: EVFS23-00059SR-011-L
Product Type: Carburetor
$449.99
$449.99
$469.99

Get 8% OFF New Carburetor: CARBURETOR008

Street-Tuned Performance

  • 650 CFM square-bore flow optimized for 305-400ci engines
  • Mechanical secondaries for instant throttle response
  • Dual fuel inlets ensure consistent supply during acceleration

Precision Calibration

  • #70 primary jets (fuel efficiency) + #74 secondary jets (balanced power)
  • 6.5Hg power valve for smooth enrichment transitions
  • 0.031" accelerator nozzle for crisp off-idle 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
  • have dual inlet fuel bowls with sight glass windows for safe and easy float adjustments

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 650 CFM 4-barrel Carburetor, full accessories, free shipping

EVIL ENERGY 650 CFM 4-barrel Carburetor Mechanical Secondary

$449.99 $469.99

EVIL ENERGY 650 CFM 4-barrel Carburetor Mechanical Secondary

$449.99 $469.99

Brand EVIL ENERGY
Barrels 4
CFM 650
Carburetor Flange Square bore
Choke Type Electric
Secondary Throttle Type Mechanical
Fuel Inlet Dual
Calibration

Main Jets:#70
Secondary Jets:#74
Accelerator Pump Nozzle:0.031 inch
Power Valve :6.5Hg

Venturi Diameter
Primary Venturi Diameter: 1.30 inch
Secondary Venturi Diameter: 1.30 inch
Throttle Bore Diameter 1.6875 inch
Carburetor Height
3.25 in
Compatibility  GM, Ford, Chrysler AT Shift Linkage Assemblies
Remanufactured No

The EVIL ENERGY 650 CFM 4-Barrel Carburetor delivers the perfect balance of street performance and reliability. Featuring an electric choke, mechanical secondaries, and dual fuel inlets, this carburetor ensures smooth throttle response and consistent fuel delivery under load.

Factory-calibrated with #70/#74 jets and 1.30-inch venturis, the EVIL ENERGY 650 CFM Carburetor provides precise air-fuel control for improved acceleration and stable high-RPM operation. Easy to install with a simple bolt-on design, it’s ideal for high-performance builds seeking dependable power.

At only $449.99, it’s a cost-effective alternative to the Quick Fuel 650 CFM 4-Barrel Carburetor BR-67255 ($538.95)—delivering comparable performance at a lower price.

Key Features

  • 650 CFM 4-Barrel Carburetor with electric choke & mechanical secondaries
  • Dual fuel inlets ensure steady fuel flow under heavy load
  • Precision-calibrated #70/#74 jets & 1.30-inch venturis for sharp response
  • Easy bolt-on installation for high-performance street & strip builds
  • Cost-effective upgrade vs. Quick Fuel BR-67255 ($538.95)

⚠️ APPLICATION RESTRICTIONS:

  • Not Fit for boats
  • The fuel thread inlet is 7/8-20in, and the replaceable bolt size is: 3/16-5in * 5/8-5in
  • Fuel line center to center length is 9.5in

FAQs - EVIL ENERGY 650 CFM 4-Barrel Carburetor

Q1: What is the airflow capacity of the EVIL ENERGY 650 CFM 4-Barrel Carburetor?
A1: This carburetor delivers 650 CFM airflow, ideal for street performance builds and high-output V8 engines.

Q2: Does the EVIL ENERGY 650 CFM Carburetor use vacuum or mechanical secondaries?
A2: It features mechanical secondaries, providing instant throttle response and consistent power at high RPM.

Q3: Is the EVIL ENERGY 650 CFM 4-Barrel Carburetor compatible with my vehicle?
A3: Yes, it’s a square-bore design compatible with most GM, Ford, and Chrysler performance intake manifolds. Always check dimensions and linkage before install.

Q4: Does it include an electric choke?
A4: Yes, this carburetor comes with an electric choke for reliable cold starts and easy drivability.

Q5: How does it compare to Quick Fuel BR-67255?
A5: The EVIL ENERGY 650 CFM 4-Barrel Carburetor offers similar performance but at just $449.99, making it a more cost-effective alternative to Quick Fuel’s BR-67255 priced at $538.95.

Q6: Is installation difficult?
A6: No, installation is straightforward. The carburetor is designed for easy bolt-on mounting, and tuning jets are pre-calibrated for performance right out of the box.

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!

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