Click to enlarge

Thunder Series AVS Carburetor

Edelbrock 1806 Thunder Series Edelbrock 650 cfm carburetor.

Electric choke.

Designed and calibrated for optimum street performance.

Square bore base design fits most after market high performance intake manifolds.

Newly designed primary and secondary booster clusters offer the most accurate and up to date calibration available.

The unique "adjustable valve secondary" (AVS), allows for simple and accurate tuning of the secondary circuit with simple hand tools while installed on the vehicle (no springs required). It's quick. It's simple. It's effective.

Counterweighted secondary design utilizes a heavy, non adjustable counterweight that relies soley on the velocity of the air coming through the secondary venturis to roll open the secondary air door, helping to eliminate primary to secondary stumbles.

Attractive black accents and CNC profiled front face for a custom look.

Optional single or dual fuel inlet allows for total fuel plumbing flexibility.

Ball burnished body for a bright, shiny finish.

Easy to use electric choke.

Installation and tuning manual included.

This carburetor is new, not remanufactured.

Made in the USA.

Scroll down the page for additional items relating to this carburetor.

Edelbrock 1806 carburetor Thunder Series 650 cfm carb EDELBROCK-1806$411.97

Click to enlargeEdelbrock 1806 carburetor calibration kit
This Edelbrock 1840 carburetor calibration kit works with the Edelbrock 1805 and 1806 carburetors. It includes an assortment of metering rods, jets, and one pair of metering rod retaining springs and a complete assortment of step-up springs. This kit makes it easy to custom calibrate your Edelbrock carburetor to match your specifc engine setup by having the parts required on hand. Later on, should you decide to change your engine setup, chances are that you will have the parts on hand to get the job done. Image is not application specific.

METERING RODS: .065 x .037----.065 x .042----.065 x .047----.070 x .047----.070 x .052

JETS: .092----.095----.098----.101----.104

1840kit$53.95
Click to enlargechrome fuel line
A chrome plated steel fuel line designed for the Edelbrock carburetor shown above. Includes a flared fitting with a 3/8" hose barb for easy fuel line installations. Shown installed on an Edelbrock carburetor.

12E8126$27.99
Click to enlargefuel line and filter kit
A chrome fuel line and blue anodized aluminum fuel filter upgrade kit for the Edelbrock carburetor shown above.

Features a -6AN male fitting.

Attractive and professional appearance.

Picture shows this filter and line mounted to an Edelbrock carburetor.

12E8134$49.99
Click to enlargefuel line and polished filter kit
This fuel line and filter kit upgrade fits the Edelbrock carburetor shown above. This kit includes a chromed hard steel fuel line and a Russel polished aluminum fuel filter with -6 AN fitting size.

Allows the use of lower profile, drop base air cleaner designs.

An attractive and professional fuel line set up.

12E8131$54.99
Click to enlargeheat insulating carburetor base gasket
A carburetor heat insulating divided base gasket. Designed for use with the Edelbrock carburetor shown above.

Extra thick, .0320 to insulate the carburetor from heat to provide a cooler, denser fuel mixture for more power.

While the Edelbrock carburetor above comes with a thin base gasket, this extra thick heat insulating gasket allows the carburetor to run cooler which provides a denser fuel mixture for more power.

Available for both a divided gasket (#9266) for use with dual plane intake manifolds and an open center gasket (#9265) for use with single plane intakes. Find your style in the applications drop down box.

Includes longer carburetor mounting studs to provide for the additional thickness of the gasket.

12E9266-9265$22.99APPLICATIONS:: 
Click to enlargethrottle, kickdown, cruise cable bracket
Provides a Chevy mounting bracket for the throttle cable, Turbo 350 kickdown cable and cruise control cable. Designed for use with the Edelbrock carburetor shown above. Fits Chevy small block. All three positions are fully length adjustable. Mounts to the back intake manifold bolts on the drivers side of the engine.

Super sturdy, heavy metal design with a durable gold iridited quality finish.

12E8036$31.99
Click to enlargeintake mounted chrome throttle bracket
Chrome throttle cable, Turbo 350 kickdown cable and cruise cable bracket. Desgined for use with the Edelbrock carburetor shown above. Fits Chevy small block. All three positions are fully length adjustable. Mounts to the back intake manifold bolts on the drivers side of the engine.

Super sturdy, heavy metal design with attractive chrome show car quality finish.

12E8030$49.99
Click to enlargecarburetor mount throttle cable bracket
GM throttle cable, Turbo 350 transmission kick down cable bracket. Designed for use with the Edelbrock carburetor shown above. All positions are fully length adjustable. Chrome plated. Mounts to the drivers side rear carburetor mounting stud. Easy to install and make for a clean installation.

12S24283$22.99
Click to enlargestainless throtte return springs
A pair of throttle return springs, universal in design and engineered to provide positive throttle return for increased safety. Works great with the Edelbrock carburetor shown above and the throttle cable brackets shown.

12MRG19$10.99
GM throttle cable stud
GM throttle linkage stud to attach your GM throttle cable to the throttle linkage arm of the Edelbrock carburetor. Installs into the large upper hole on the carburetors throttle linkage arm and requires a bushing to space the hole. 7/32" diameter.

12H20-37$7.99
Turbo 350 kickdown cable linkage stud
This stud mounts the GM Turbo 350 kick down cable to the Edelbrock carburetors throttle linkage arm. Slips into the cables slider.

12H20-40$7.99
throttle cable ball studs
A ball stud throttle stud assortment. Provides several ball sizes and stud sizes for various non-GM cables. Attaches to the Edelbrock carburetors throttle linkage arm, in the large upper hole. Requires a hole bushing for installation.

12H20-2$14.99

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