Edelbrock 1825 Carburetor

Part Number
Thunder Series AVS Carburetor; New; 4 bbl; 650cfm; Square Flange 4150; Manual Choke; Single/Dual Fuel Inlet; Gas; Mechanical Secondary w/Adj. Velocity Air Door

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The Edelbrock 1825 Thunder Series AVS 650 CFM manual choke carburetor has been designed and calibrated to deliver optimum off-road performance. Several characteristics make the 1825 Thunder Series AVS 650 CFM manual choke carburetor an outstanding street performer. The first one is that metering rods are utilized to transition between circuits. The carburetor is unaffected by engine backfires, which means that there are no power valves to blow out, and the rods can be changed in seconds without carburetor removal or fuel draining. Secondly, the carburetor has the unique ability to "hold a tune", so once it is tuned, the carburetor stay's tuned. What this means to you is that compared to other carburetors, the performance remains consistent and the calibration stays unchanged. The third characteristic is the primary and secondary booster clusters that are utilized offer the most accurate and up-to-date calibration available for today's fuels and octane levels. Fourth the unique Thunder Series' Qwik-Tune Secondary Air Valve allows for limitless calibration of the secondary circuit with simple hand tools while on your vehicle. It's quick. It's simple. It's effective. It can be easily adjusted - in seconds - to suit your application.. no extra parts required to achieve optimum performance. Simply put the Edelbrock 1825 Thunder Series AVS 650 CFM manual choke carburetor is undeniably the most innovative and dependable street performance carburetor available today.

BRAND: Edelbrock


  • Thunder Series AVS Carburetor
  • GM/AMC-Style Throttle Linkage
  • Metering Rod/Step Up Springs Can Be Changed Easily
  • Edelbrock Thunder AVS 650 CFM Carburetor
  • No Gaskets Below Fuel Level to Prevent Leakage
  • Distinctive Black Accented Hardware
  • Lightweight Ball-Burnished Aluminum
  • Spring Loaded Needles/Seat Increase Performance
  • CARB
  • Thunder Series AVS 650 CFM Off-Road Carb with Manual Choke in Satin (non-EGR)
  • Thunder AVS Carburetor #1825 650 CFM With Manual Choke; Satin Finish (Non-EGR)
  • New Qwik-Tune Adjustable Secondary Air Valve
  • 1826; Edelbrock; carburetor; carb; Thunder series; thunder AVS; Thunder Series AVS; 4-barrel; square-bore; square flange; 650 cfm; 650 carb; 4150; EPS; leak free design; holds tune; Electric choke; Performance; Qwik-Tune; Qwik-Tune Secondary Air Valve
  • { eo : 3in.}
  • Manual choke AVS Carbs cannot be converted to electric choke; Thunder Series AVS Carbs will work with Ford automatic overdrive trans (AOD) when used with Lokar bracket SRK-4000; Edelbrock carburetors are not calibrated for or compatible with alcohol; race


EmissionWithout EGR
FlangeSquare Bore
Primary Power ValveN/A
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: This product can expose you to Chromium; which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information; visit www.P65warnings.ca.gov.



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