King Demon is designed to work in conjunction with engines producing 650 HP and upwards. Available in two models - either fixed or removable venturii (RS). Designed for the most powerful drag race and dirt-oval engines, the King Demon is the most advanced carburetor of its kind.
Updated 04-11-2006.
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King Demon      King Demon is designed to work in conjunction with engines producing 650 HP and upwards.
Available in two models - either fixed or removable venturii (RS).
     Designed for the most powerful drag race and dirt-oval engines, the King Demon is the most advanced carburetor of its kind. Equipped with removable main and booster venturii, billet baseplate and deep streamlined air intakes, the new carburetor is a direct replacement for the Holley Dominator. It also features three-circuit billet-metering blocks and float bowls with sight glasses as well as adjustable air bleeds, emulsion bleeds and idle feed restrictors.
     The King Demon/RS will be offered, initially, in three sizes, 1095, 1195, and 1295.
The King Demon will be offered, initially, in three sizes, 1090, 1190, and 1290.
DR Drag Race
Single four-barrel carburetors are provided with jet extensions, clearanced floats, and specific fuel-curve calibrations to promote clean idle, crisp throttle response, and consistent ETs; the perfect choice for Bracket or Super class drag cars.
GC General Competition
Carburetors are supplied with primary power valves (with backfire protection) for good idle quality and driveability. These are the only King Demon RS carburetors with vacuum ports, making them a perfect choice for street/strip applications.
TR Tunnel Ram
Carburetors are calibrated to function in matched pairs on 2x4 intake manifolds where the carburetors are mounted sideways.
King Demon Features:
   • Concentric Venturi
   • Replaceable Boosters
   • Replaceable Air Bleeds
   • Replaceable Metering-Block Bleeds
   • Replaceable Venturii Sleeves, (RS) Models Only
   • Dual-Inlet Float Bowls
   • Billet Baseplate
   • Billet Metering Blocks
   • Large Capacity Float Bowls
   • Large Glass Float-Level Sight Windows
   • Four-Corner Idle Adjustment
   • “Quick Release” Non-Stick Gaskets

8728020 1090 King Demon 430 to 470 CID up to 7200; 410 to 430 CID up to 8000
8728030 1090 King Demon 468 to 510 in light vehicle 500 to 560 below 7500 Excellent choice for large cubic inch throttle stop classes.
8838020 1190 King Demon 500 to 540 high-compression above 8000 rpm in light cars. 540 to 632 CID maximum effort
8849020 1290 King Demon 632 and up CID in light car with Lenco

9728020 1095 King Demon RS 430 to 470 CID up to 7200; 410 to 430 CID up to 8000
9728030 1095 King Demon RS 468 to 510 in light vehicle 500 to 560 below 7500 Excellent choice for large cubic inch throttle stop classes.
9838020 1195 King Demon RS 500 to 540 high-compression above 8000 rpm in light cars. 540 to 632 CID maximum effort
9849020 1295 King Demon RS 632 and up CID in light car with Lenco
Special Tunnel Ram: With fuel calibrations for Pro Mod, Pro Stock and Comp-type engines.
Forced Induction: Specially calibrated for high horsepower, roots-type supercharged engines.
Top Comp: For higher fuel demand, single four-barrel engines, featuring custom boosters, larger needle and seats and enlarged fuel passages.

P/N Model
8728020GC 1090 Annular - Gas
8728030GC 1090 Straight - Gas
8838020GC 1190 Annular - Gas

P/N Model
8728020DR 1090 Annular - Gas
8728030DR 1090 Straight - Gas
8838020DR 1190 Annular - Gas

P/N Model
9406020DR 795 Annular - Gas
9567020DR 895 Annular - Gas
9627020DR 995 Annular - Gas
9627030DR 995 Straight - Gas
9728020DR 1095 Annular - Gas
9728030DR 1095 Straight - Gas
9838020DR 1195 Annular - Gas
9849020DR 1295 Annular - Gas

P/N Model
9627020BC 995 Annular - Gas
9728020BC 1095 Annular - Gas
9838020BC 1195 Annular - Gas

P/N Model
9728020TR 1095 Annular - Gas
9728030TR 1095 Straight - Gas
9838020TR 1195 Annular - Gas
9849020TR 1295 Annular - Gas

P/N Model
9728025DR 1095 - Alky