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The Edelbrock Thunder AVS calibration kit is made for #1805 and #1806 AVS series carburetors and supplies the jet and rod components needed for proper calibration. Use it when tuning those AVS Thunder carbs to match engine requirements or during rebuilds to restore correct metering. It focuses on supplying the core calibration parts rather than altering carburetor structure.
Edelbrock Calibration Kit for 1805/1806
