Mighty Demon Vacuum Secondary Carbs for Street/Strip engines
These are ideal replacement carbs for muscle cars, street rods, performance applications, and high-output crate engines with automatic transmissions. They're designed for engines with cam profiles up to 260° duration at .050", large cylinder heads and intake manifolds, and high compression.
Note: Demon float bowls use special 9/16" x 24 TPI inlet fittings available in standard, filtered, or swiveled sizes.
Highlights650, 750, 825, or 850 cfmConcentric VenturisReplaceable BoostersReplaceable Air BleedsReplaceable Metering Block BleedsBillet BaseplateBillet Metering BlocksLarge-Capacity Float Bowls with Sight WindowsFour-Corner Idle AdjustmentQuick-Release Nonstick GasketsMost common tuning parts interchange from other manufacturers
Need help choosing your Demon?
Click here.Billet "Idle-Eze" Baseplate
Eliminates the need to
drill holes in the carb's butterflies or to modify for proper idle speed and transition orientation. | Valve
Easy-to-adjust valve
is accessed with a screwdriver via air cleaner stud hole. Tune after throttle shaft position has been set. | Fuel Bowl
Demon float bowls come complete with sight glasses, which permit float level adjustments without risk of fuel spillage. | Metering Blocks
CNC-machined metering blocks from billet aluminum prevent porosity and variations in the metering circuits. |
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