
Shadow Black Street Demon Carburetor 625 cfm (1-3/8" Primary Throttle Bores)
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
DEMON CARBURETION 1901BK Features:
The Street Demon line of carburetors has always been known for their clean looks, ease of use and revolutionary design. This design ensures a stable idle, crisp throttle response, and smooth performance. The optimized calibration and dual mounting pattern make it Run-Ready™ for a variety of engines and vehicles. Our new Shadow Black coating wraps all of this in a sinister package to fit the vibe of today's understated build styles!All of the popular and innovative features associated with these carburetors are still in place. This means you still get the aerospace composite fuel bowl that keeps fuel up to 20° cooler, the integrated fuel bowl/main body design with all gaskets above fuel level and no plugged passages to eliminate all potential leak paths, the Goggle Valve Secondary (GVS™) throttle plate, and much more. With the Shadow Black ceramic coating, you can be sure that your car stands alone at the next race, show, or cruise-in!- Shadow Black ceramic coated finish acts as a protective barrier to corrosion and heat
- Designed for use on most stock to mildly modified V8s
- Developed from the ground up with smooth styling - patented timeless design fits modern and traditionally themed vehicles (Patent #: US D648,746 S)
- One piece airhorn is easy to clean and maintain
- Aerospace Composite fuel bowl offers significant heat insulating benefits over aluminum fuel bowls - keeps fuel up to 20° cooler for optimum performance with modern fuels
- Electric Choke Management means easy cold starts
- Dual mounting bolt pattern - fits most aftermarket spread or square bore intake manifolds without an adapter
- Integrated fuel bowl/main body design with gasket above fuel level and no plugged passages to eliminate all potential leak paths
- Small 1-3/8” (625 cfm) primary throttle bores combined with proven Triple-Stack boosters deliver amazingly crisp throttle response and drivability, superior fuel atomization, and improved fuel economy
- Goggle Valve Secondary (GVS™) throttle plate (Patent # D677755) delivers over twice the air flow of the primary bores for power you can hear and feel
- GVS™ makes total air flow of 625 CFM while maintaining the crisp throttle response delivered by small primary bores
- Secondary air valve control - torsion spring valve control/adjustment permits seamless primary to secondary throttle response regardless of the throttle opening rate (unique contoured profile developed for better cylinder to cylinder fuel distribution)
- 2 Stage metering rods are easily accessible without carburetor disassembly or removal
- Single fuel inlet for simple installation
- Integrated 700R4/200R4 transmission kickdown cable mounting location as well as Ford A/T kickdown for proper shifts
- Patent pending mechanical design
- 625 CFM specific calibration kit available for tuning and altitude adjustments
- Available TPS kit allows use with 4L60 and 4L80 transmissions
Give your ride a more aggressive look with these Shadow Black Carburetors from Demon Carburetion. Street Demon Carburetors redefine street carburetors with clean looks and ease of use. They feature small primary throttle bores combined with proven triple-stack boosters offering a straightforward design while delivering stable idle, amazingly crisp throttle response, and smooth performance. The carburetors feature an integrated fuel bowl/main body design with the gasket above fuel level and have no plugged passages, eliminating all potential leak paths. These carburetors have optimized calibration and dual mounting patterns make them Run-Ready for a large variety of engines and vehicles!
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Features:
- High Quality Black Ceramic Coated Finish for Menacing Great Looks
- Developed from the ground up with great looks and ease of use in mind
- Available in 625 or 750 cfm airflow
- Dual mounting bolt pattern (square bore or spread bore) fits any street 4-barrel intake manifold
- One-piece air horn assembly
- Small primary throttle bores combined with proven Triple-Stack boosters deliver amazingly crisp throttle response and drivability, superior fuel atomization and improved fuel economy
- Electric choke management means easy cold starts
- Blown idle circuit that diverts air directly under mixture screws for a more stable idle and easy startup
- Torsion spring valve control/adjustment permits seamless primary to secondary throttle response, regardless of the throttle opening rate (unique contoured profile developed for better cylinder to cylinder fuel distribution)
- Integrated 700R4/200R4 transmission kickdown cable mounting location
- Ford automatic transmission kickdown (except AOD)
- Inverted flare or 3/8'' barb single fuel inlet for simple installation
- Goggle Valve Secondary (GVS) throttle plate delivers over twice the air flow of the primary bores for power you can hear and feel
- Optional Aerospace Composite fuel bowl offers significant heat insulating benefits over aluminum fuel bowl - keeps fuel up to 20° cooler for optimum performance with modern fuels








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