The dual mounting bolt pattern will fit any street 4bbl intake (square flange or spread bore), Aerospace Composite fuel bowl offers significant heat insulation benefits over aluminum fuel bowl, Features 2 stage metering rods control easily accessible without carburetor disassembly or removal, An integrated fuel bowl/main body design with gasket above fuel level and no plugged passages to eliminate all potential leak paths, A small 1-3/8″ primary throttle bores combined with proven Triple-Stack™ boosters deliver amazingly crisp throttle response and drivability
Street Demon 1901 625 CFM 4 Barrel Carburetor, Polymer Main Body
Sku # 91012017
Mfr. Part # 1901
Condition
New
Brand
Demon Carburetion
Sold
Each
Details
Info
WICKED POWER! The ALL NEW Street Demon™ redefines the street carburetor with clean looks and ease of use! The Street Demon offers enthusiasts a straightforward four barrel carburetor designed to deliver a stable idle, amazingly crisp throttle response and smooth performance. Its optimized calibration and dual mounting pattern make it Run–Ready™ for a large variety of engines and vehicles!
625 CFM airflow – ideal for use on most stock to mildly modified V8s
Dual mounting bolt pattern – fits any street 4bbl intake (square flange or spread bore)
Electric Choke Management means easy cold starts
Single fuel inlet for simple installation
Aerospace Composite fuel bowl offers significant heat insulation benefits over aluminum fuel bowl – keeps fuel up to 20° cooler for optimum performance with modern fuels
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″ primary throttle bores combined with proven Triple-Stack™ boosters deliver amazingly crisp throttle reponse and drivability, superior fuel atomization and improved fuel economy
Goggle Valve Secondary (GVS™) throttle plate delivers over twice the aire flow of the primary bores for power you can hear and feel
GVS™ makes total air flow 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)
Smooth styling – patented timeless design fits modern as well as traditional themed vehicles (Patent No.: US D648,746 S)
Developed from the ground up with great looks and ease of use in mind
Easy to clean and maintain
One-piece air horn assembly
2 Stage metering rods control easily accessible without carburetor disassembly or removal
4 optional vacuum step-up springs available to dial in hi-end performance
Optional sets of metering rods available to refine calibration
Multiple primary and secondary main jet orifice sizes available
Patent pending mechanical design
Integrated 700R4/200R4 transmission kickdown cable mounting location for proper shifts
Ford A/T kickdown(does not work with AOD transmissions)
Available TPS kit allows use with 4L60 and 4L80 transmissions
Charts
(PDF)
WARNING: Cancer and Reproductive Harm — p65Warnings.ca.gov
California Customers: This part has been identified as emissions sensitive and can only legally be installed on race-use only vehicles, off-road-use only vehicles, or pre-1965 vehicles in the State of California in accordance with the California Air Resource Board (CARB) requirements. Once your order is placed you will be contacted by Speedway Motors within 2 business days so that you can certify that you will only use such parts on these types of vehicles in California.
Specs
Sold in Quantity
Each
Fuel Type
Gasoline
Carburetor Barrels
4-Barrel
Fuel Inlet Type
Single
Choke Type
Electric
CFM
625 CFM
Carburetor Flange Type
4-Barrel Square Bore
Secondary Type
Air Valve
New or Remanufactured
New
Color
Natural
MFG. Part #
1901
Gasket(s) Included
Yes
Supercharged Application
No
GTIN Code
792898400061
CFM Range
600-699 CFM
Bolt Hole Pattern
5.160″ x 5.625″
Finish
Shiny
Material Type
Aluminum / Composite
Reviews
Nice Carb. looks good and fit perfect.
Rated
by Dave on October 19, 2020
Summary:
Mounted to a SBC 350, ran perfect right out of the box!
Yes, I recommend this product.
Highly recommend!
Rated
by joilstoils on June 30, 2020
Summary:
Super carb, best ive owmed minor adjustments only…
Yes, I recommend this product.
Great carb , easy set up
Rated
by Dinky on December 06, 2019
Summary:
Great carb , easy set up and installation, perfect for mild small block builds
Yes, I recommend this product.
Scream’n Demon
Rated
by 23′ T-Bucket on April 24, 2019
Summary:
Perfect out of the box
Yes, I recommend this product.
I would buy this product again
Rated
by Picky plumber on January 08, 2019
Summary:
Installed on a 351w. Easy to adjust and run.
Yes, I recommend this product.
Related Items / Suggested Parts
Street Demon 1900 625 CFM 4 Barrel Carburetor, Ball Burnished Alum
Street Demon 1902 625 CFM 4 Barrel Carburetor, Polished Aluminum
Lokar TCB-40SD Street Demon Throttle/Kickdown Cable Mounting Bracket
Lokar TCB-40SD1 Billet Alum. Street Demon Bracket and Springs for TPS
Lokar TCB-40SD2 Street Demon Throttle/Kickdown/Cruise Mounting Bracket
Demon Carb 786004 14 Inch Air Cleaner Assembly
Street Demon 1901BK 625 CFM 4-Barrel Carburetor, Polymer
Demon 1920 Rebuild kit for 625 Street Demon carburetors
Demon 1921 625 Street Demon Calibration Kit
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 69 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
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