Installation Time
(approx) 3 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Holley Street Demon Carburetor Black Composite Fuel Bowl; 625 CFM; Polished
Item CC18297
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Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- 625 CFM Vacuum Secondary Gasoline Carburetor
- Ball Burnished Shiny Aluminum Body with Black Aerospace Composite Fuel Bowl
- Suitable for Most Stock to Mildly Modified V8 Engines
- Patented Design Combining Smooth Styling and Functionality
- One-Piece Airhorn for Simplified Cleaning and Maintenance
- Aerospace Composite Fuel Bowl Provides Heat Insulation to Keep Fuel Cooler
- Electric Choke for Easy Cold Starts
- Dual Mounting Bolt Pattern Fits Most Aftermarket Square and Spread Bore Intake Manifolds
- Integrated Fuel Bowl/Main Body Design Eliminates Leak Paths
- Small Primary Throttle Bores with Triple-Stack Boosters for Superior Atomization and Fuel Economy
- Goggle Valve Secondary (GVS) Throttle Plate Delivers Over Twice the Airflow of Primary Bores
- Secondary Air Valve Control Ensures Smooth Transition and Optimized Fuel Distribution
- Two-Stage Metering Rods Accessible Without Carburetor Disassembly
- Single Fuel Inlet Simplifies Installation
- Integrated Transmission Kickdown Cable Mounting Location
- Patent Pending Mechanical Design
- 625 CFM Specific Calibration Kit Available for Tuning and Altitude Adjustments
- Available TPS Kit Allows Compatibility with 4L60 and 4L80 Transmissions
- Emissions Legal for Use on Uncontrolled Non-Emissions Controlled Vehicles Only
- Legal Usage Restricted to 1965 and Older US Manufactured California Certified Vehicles, 1967 and Older US Manufactured Federally Certified Vehicles, and 1967 and Older Foreign Manufactured Vehicles
- Four Barrel Carburetor
- Polished Aluminum and Black Composite Finish
- Electric Choke Type
- Emission Code 3
- Dual Square and Spread Flange Type
- Aluminum and Composite Material
- Manufacturer Limited 90-Day Warranty
- Fits 1965 and Older US Manufactured California Certified Vehicles and 1967 and Older US Manufactured Federally Certified and Foreign Vehicles. Not Legal for Emission-Controlled Vehicles.
| Brand | Holley |
| Throttle Body Type | Cable |
| Throttle Body Diameter | N/A |
Description
Innovative Street Carburetor. The Demon 625 street carburetor is engineered to deliver exceptional throttle response, stable idle, and smooth performance for street enthusiasts. Designed for gasoline use on most stock to mildly modified V8 engines, it offers reliable power and efficiency, making it an essential upgrade for enhanced street performance.
Construction and Appearance. This carburetor features a ball burnished shiny aluminum body complemented by a black composite fuel bowl constructed from aerospace-grade materials, providing significant heat insulation. The finish combines polished aluminum with black composite parts, offering both durability and a visually appealing design that fits seamlessly with modern and traditional vehicle themes.
Installation. Installation is straightforward with a dual mounting bolt pattern that fits most aftermarket square and spread bore intake manifolds. No drilling is required, simplifying the upgrade process while ensuring compatibility with transmission kickdown cables for proper vehicle operation.
Warranty and Application. It includes a manufacturer’s limited 90-day warranty covering defects in materials and workmanship. This carburetor is legal for use only on uncontrolled, non-emissions controlled vehicles, specifically 1965 and older U.S. manufactured California Certified vehicles, and 1967 and older U.S. and foreign manufactured federally certified vehicles. It is not legal on emissions-controlled vehicles.
Holley 1901
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Fuel Bowl
5.0
Reviews of Holley Intake Products (4)
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