Edelbrock Performer Series Air / Fuel Ratio Monitor Oxygen Sensor Replacement NG90 The unit can be rotated

The unit can be rotated 180

300 lb/in linear working rate (Front)

18/23 Degree Head

Gold Chromate

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Edelbrock Performer Series Air / Fuel Ratio Monitor Oxygen Sensor Replacement NG90 The unit can be rotatedThis Air Fuel Monitor displays the actual air fuel mixture in ratios from approximately 12 to 15: 1. Use it to guide carburetor adjustment and jetting or to improve ignition spark advance curves. Not for use with leaded fuels or alcohol. Since 1938, Edelbrock has been committed to making the finest high performance products in the industry. The famous Edelbrock Intake Manifold, Edelbrock Aluminum Cylinder Heads and Edelbrock Water Pumps have become