34003 Rochester Q JET | Stage 3 | Divorced Choke | Chevrolet/GMC | Big Block

(2 customer reviews)

 

A Stage 3 features a fully re-calibrated idle, off idle, main, accelerator pump, and high-speed circuits to match any modifications done to the engine such as intake manifold, headers, ignition, or mild cam change. Features include improved idle quality, instant throttle response, and maximum torque and horsepower for street-strip vehicles, tow vehicles, RV’s, and watercraft with modified engines.

Call For Carburetor Lead Time Frame 800-538-2447

Replaces factory unit for 1966-1973 GMC and Chevrolet passenger cars or light trucks with 396/402/454 c.i. engines with divorced style choke.

This Carburetor will work on modified engines not exceeding the following:

Dual Plane Aluminum Intake Manifold

Headers (1 5/8″ – 1 3/4″), Compensation Ratio 8.5 – 9.5:1

Mild Porting on Cylinder Heads or Performance Heads

Camshaft Specifications: Duration @ .050 Min. 210 Degrees, Max. 220 Degrees

Lobe Separation Angle 110-112 Degrees

Quadrajet Details

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$489.95

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SKU: 34003 Categories: ,

 

A Stage 3 features a fully re-calibrated idle, off idle, main, accelerator pump and high-speed circuits to match any modifications done to the engine such as intake manifold, headers, ignition, or mild cam change. Features include improved idle quality, instant throttle response, and maximum torque and horsepower for street-strip vehicles, tow vehicles, RV’s, and watercraft with modified engines.

 

Replaces factory unit for 1966-1973 GMC and Chevrolet passenger cars or light trucks with 396/402/454 c.i. engines with divorced style choke.

This Carburetor will work on modified engines not exceeding the following:

Dual Plane Aluminum Intake Manifold

Headers (1 5/8″ – 1 3/4″), Compensation Ratio 8.5 – 9.5:1

Mild Porting on Cylinder Heads or Performance Heads

Camshaft Specifications: Duration @ .050 Min. 210 Degrees, Max. 220 Degrees

Lobe Separation Angle 110-112 Degrees

Quadrajet Details

# 34003

Additional information

Weight 14 lbs

2 reviews for 34003 Rochester Q JET | Stage 3 | Divorced Choke | Chevrolet/GMC | Big Block

  1. Gregg Babbit
    5 out of 5

    :

    Working great! Basically plug and play from stock

  2. Eric D.
    5 out of 5

    :

    This carburetor is awesome on the basically stock 396 in my 70 Chevelle. Used it to replace a carb custom built by one of the more popular online shops that specializes in Q-Jet carbs, which ran like garbage. This Jet Performance carb was better in every way (and less expensive).

    • JET Performance

      :

      Hey Eric, thank you for the share and continued support. Enjoy the carb and Keep Wrenching.

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