Buy by 3:00 pm cst & item will ship same day M-F thanks 

 thanks from RDRACINGINC.

NEW SCREAMIN DEMON GAS CUSTOM DEMON SDA-850-AN BLOW THRU MECHANICAL 850 ANNULAR BLOW THRU TURBO 4150 FLANGE WITH BLACK LINE KIT

ALL NEW ALUMINUM 5 POUNDS LIGHTER THEN THE ZINC DEMON,  & NOW COME WITH DUEL FUEL BOWL SIGHT GLASS Windows.

   THESE CUSTOM CARBS ARE SPECIFICALLY CALIBRATED TO WORK ON APPLICATIONS USING A CENTRIFUGAL BLOWER AND A BONNET. THE FUEL CURVE IS DESIGNED TO DISTRIBUTE MORE FUEL AS BOOST IS INCREASED.

YOU GET THE CARB & #6 BLACK LINE KIT

• Features and Benefits: 
  
• Pressure-sealed throttle shafts with fuel curve and metering circuits calibrated specifically for turbo and supercharged applications 
  
• Mechanically operated secondary throttle plates provide instant response 
  
• Solid fuel floats permit the use of all racing and street gasoline without risk of deterioration or distortion under boost. 
  
• 
  
• Absence of choke tower reduces turbulence between bonnet and carburetor 
  
• Cast aluminum baseplate all ports plugged, billet metering blocks ensure strong, reliable, non-porous components 
  
• Patented streamlined air entries and concentric venturii provide excellent fuel distribution and consistent air-fuel ratios to each cylinder 
  
• Four-corner idle, large float-bowl Windows, replaceable air bleeds and idle-feed restrictors make tuning quick and easy 
  
• Large-diameter needle-and-seat valves (.130") and dual inlets are provided for consistent fuel flow 
  
• Common interchangeable tuning parts include Jets, Power Valve, accelerator pump discharge nozzles (Squirters), bowl and metering block gaskets, etc. 
  
• Throttle linkage included