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Key Specs

Carburetor Barrels4-Barrel
Fuel TypeGasoline
CFM625 CFM
Carburetor Flange Type4-Barrel Square Bore
FinishNatural

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Details

Styled and calibrated for Street Rods and mildly modified Street Machines and light trucks, the Road Demon™ is an impressive performer. With a remarkably smooth choke tower design, vacuum secondaries and patented air entries, the Road Demon™ offers extremely smooth operation with strong throttle response. The Road Demon™ has the standard Demon carburetor features: Max–Density Cast metering–blocks with adjustable jets and four–corner idle, a billet baseplate, plus large capacity fuel bowls with patented sight glasses for tuning ease.

Perfect for small displacement V8s or V6 engines, the Road Demon™ 625 targets mild performance engines from 302 to 400 cid, and rated at 250–350 horsepower. An ideal carb for daily drivers as well as weekend cruising for a wide range of vehicles.

  • Max-Density Cast Rib-Reinforced Baseplate
  • Max-Density Cast Metering Blocks
  • Four-Corner Idle Circuitry
  • Large Capacity Float Bowls
  • Large Glass Float-Level Sight Windows
  • Integral Hi-Flow Choke Housing
  • Electric Choke Included
  • Dual-feed Inlet
  • Vacuum Secondary Operation
  • Power Valve Backfire Protection
  • "Quik Release" Non-Stick Gaskets
  • Vacuum Fittings
  • Most common tuning parts interchange from other manufacturers (jets, power valves, gaskets, etc.)
  • Quick-change Vacuum-Secondary Spring Cover 

Road Demon 4 Barrel Carburetor Installation Instructions (PDF) 

Application

We recommend the Road Demon 625 for Mild Performance and Towing applications with 302-400 c.i. V-8 engines.

Works great with camshafts under 220° duration @ .050". 

Specifications

KEY SPECS
MFG. Part #4282010VE
BrandDemon Carburetion
Carburetor Barrels4-Barrel
Fuel TypeGasoline
CFM625 CFM
Carburetor Flange Type4-Barrel Square Bore
FinishNatural
GENERAL
Choke TypeElectric
CFM Range600-699 CFM
Material TypeAluminum
Secondary TypeVacuum
Fuel Inlet TypeDual
Gasket(s) IncludedYes
BoosterDown Leg
Bolt Hole Pattern5.160" x 5.625"
GTIN Code792898303263
Sold in QuantityEach