MSD Rich - Lean Indicators Gauge - Digital - Air - Fuel Ratio - Lean - Rich - LED - Rectangle - Electrical

Brand: MSD, Mfr Part#: 8933

Lowest Price $165.95

Product Details

Features: * Heated (3-wire) oxygen sensor * 7/8 in. sensor boss and plug * Wiring harness

Unit must be wired in. Bung must be welded in place.

The MSD Rich/Lean Indicator helps determine rich or lean conditions in your engine by reading the oxygen level in the exhaust via a heated sensor. If the oxygen level is high a red light comes on to indicate a lean condition; a gree ...more

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Full Details for MSD 8933

Features: * Heated (3-wire) oxygen sensor * 7/8 in. sensor boss and plug * Wiring harness

Unit must be wired in. Bung must be welded in place.

The MSD Rich/Lean Indicator helps determine rich or lean conditions in your engine by reading the oxygen level in the exhaust via a heated sensor. If the oxygen level is high a red light comes on to indicate a lean condition; a gree n light indicates low oxygen and a rich condition. When both lights come on youve hit pay dirt. It can be used to check fuel mixture at idle and wide-open throttle and to fine tune for performance or economy.