Demon Fuel Systems SDA-650-MS - Screamin Demon Carburetor; 650 cfm; Mechanical Secondary; Down Leg Booster;
Screamin Demons are the latest development in the evolving family of Race Demon performance carburetors. Screamin Demons were designed with the weekend racer in mind. They are available in 650-850 cfm mechanical secondary models, as well as a 750 cfm vacuum secondary model. Screamin Demons feature lightweight die-cast aluminum construction, large capacity fuel bowls complete with dual sight glasses, dual threaded inlets on each side, and internal baffling to prevent fuel slosh when you are on the track. Engineered and calibrated for better drivability and full throttle performance, Screamin Demons include four corner idle, changeable idle and high-speed air bleeds with all the tunability that you would find from more expensive carburetors in the market.
Features
- Polished Die-Cast Aluminum Construction
- Engineered And Calibrated For Better Drivability
- Engineered And Calibrated For Full Throttle Performance
- New Throttle Lever w/Integrated Kick Down Options
- Fuel Bowls Have Dual Threaded Inlets On Each Side
- Fuel Bowls Have Dual Sight Glass Windows
- Fuel Bowls Have Internal Baffling For Improved Fuel Slosh Control
- Secondary Fuel Bowls Incl. Notched Floated
- Changeable Idle High Speed Air Bleed
- Changeable Power Valve Restrictions For Precise Tuning
Specifications:
- CFM: 650 CFM (Cubic Feet per Minute) for optimal airflow
- Secondary Type: Mechanical secondaries for better throttle response
- Booster Type: Down-leg booster for improved fuel atomization and combustion
Applications:
- Perfect for street and race applications, especially on small-block engines
- Ideal for enhancing the performance of muscle cars, hot rods, and street machines
Benefits:
- Increased horsepower and torque due to enhanced airflow and fuel atomization
- Quick throttle response for smoother acceleration
- Durable design made for high-performance use
REVIEWS
DH
"I installed the Screamin’ Demon 650 carb on my 350 small-block, and it transformed the power delivery. Throttle response is immediate, and the engine feels much stronger. Great carb for anyone looking to push their engine a little harder!"
KJ
"This carburetor has been a game-changer for my muscle car. The mechanical secondaries give me the instant throttle response I wanted, and the engine runs smoother overall. Highly recommended for anyone upgrading their carb setup!"