
Adjust Carb Size with Interchangeable Venturis
These Race Demon RS (Removable Sleeves) 4-barrel carburetors are blower-calibrated to be most efficient with supercharged engines utilizing a 4150-style bolt pattern, making them the ultimate carb for racing. Their primary power valves are boost-referenced, and their removable sleeves allow racers to change carb size by simply inserting the correct venturi for tune-up flexibility come race day.
Note: Demon float bowls use special 9/16" x 24 TPI inlet fittings available in standard, filtered, or swiveled sizes.
Highlights
675, 775, 825, 975, or 1025 cfmConcentric VenturisReplaceable Venturi SleevesReplaceable BoostersReplaceable Air BleedsReplaceable Metering Block BleedsBillet BaseplateBillet Metering BlocksLarge-Capacity Float Bowls with Sight WindowsQuick-Release Nonstick GasketsMost commom tuning parts interchangable from other manufacturers
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Billet Baseplate
 Billet baseplates on applicable Demon carbs are virtually unbreakable, unlike their cast counterpars. | Removable Sleeves
 Easily change carb size by inserting correct sleeve/venturi. | Removable Boosters
 Precisely cast from a high-strength zinc alloy. | Metering Blocks
 CNC-machined metering blocks from billet aluminum prevent porosity and variations in the metering circuits. |