Barry Grant Marine Carburetors

The Mighty Demon Blow-Through carburetor was developed for turbocharged and centrifugally supercharged applications. With an innovative throttle shaft sealing arrangement, this carburetor is suited for pressurized environments and is used in conjunction with the carburetor bonnets or enclosures from all leading forced-induction manufacturers.

• Pressure Sealed Throttle Shafts
• Mechanical Secondaries
• Solid Fuel Floats
• Baseplate with 3 Vacuum/Boost Ports (1) 1/8" NPT, (2) 1/16" NPT
• Billet Baseplate and Metering Blocks
• Patented Streamlined Air Entries
• Four-Corner Idle
• Large Diamter Needle and Seat Valves
• Throttle Linkage Included
• Flow Tested and Calibrated

Barry Grant's Sea Demon™ is ideal for marine enthusiasts needing a carburetor for re-powers, upgrades, and crate motors. Designed for engines with cam profiles up to 240 degrees duration at 0.050". The Sea Demon™ shares many of the basic design features of its land based cousin, the Speed Demon™, delivering crisp throttle response, easy tuning, great fuel economy, great top end performance and gets the boat "on plane" quickly. The Sea Demon™ has an electric choke as standard equipment and is available with either vacuum or mechanical secondaries.

The Sea Demon™ is designed to meet/exceed all USCG requirements for marine carburetors with J" Style vent tubes.

Sea Demon Features:
• Contemporary design
• J-tube bowl vents
• Sealed throttle shafts
• Removable billet base plate
• Built-in power valve blowout protection
• CNC-machined billet metering blocks
• 4-corner idle adjustment
• Large capacity float bowls with patented float level sight glasses
• Most common tuning parts interchange from other manufacturers (Jets, Power Valves, Squirters, etc.)

The new Mighty Demon™ is perhaps the best value for the dollar in the carburetor market today. It is available in a full range of sizes and directly replaces Holley^® HP Models. It features billet-aluminum metering blocks, billet aluminum base plates, large capacity fuel bowls complete with patented sight glasses and patented, steam lined air entries. some of these features are found only on modified carburetors costing much more, and several are available only on Demon Carburetors. These innovative ideas allow the new Might Demons to produce more power and achieve higher levels of performance than conventional designs. All Mighty Demon carburetors come with a "General Competition" tune-up, but can be easily modified using BG Fuel systems carburetor service and tuning parts. For high output engines and for race engine, the Mighty Demon delivers the best performance value for the dollar.

Mighty Demon Features:
• Billet Base Plate
• Billet Metering Blocks
• Patented Concentric Venturi
• No Choke Horn
• Replaceable Idle Feed Restrictors
• Mechanical Secondaries
• Patented Large View Sight Windows
• Dual Inlets
• Metering Blocks with Tuneable Jets (Primary and Secondary Circuits)
• 4 Corner Idle Adjustability
• Built-in Power Valve Blow Out Protection
• Vacuum Ports - 2 constant, 1 ported
• Most common tuning parts interchange from other manufacturers

Barry Grant's King Demon™ RS (Removable Sleeve) is the pinnacle of carburetor design. Like its little brother, the Race Demon™ RS, the patented removable venturi design allows racers to refine theri engine tuning by sizing the carburetor to the specific race conditions.

The King Demon RS series is available in a full range of air capacity ratings and directly replaces Holley^® 4500 style (Dominator) carburetors. Every King Demon RS shares the features of the fixed venturi King Demons. 3-circuit billet aluminum metering blocks, billet aluminum base plates, large capacity fuel bowls with patented sight glasses and patented steam-lined air entries. It also features fully adjustable air bleeds, emulsion bleeds and idle feed restrictors.