Malibu M-Series/LT4 Pre-Cat (Upstream) O2 Sensor ns-medallion-std Includes: Complete spark plug wire

Includes: Complete spark plug wire set (8 leads)

Indmar LS1/LQ9/LY6/L96/LS3

00" thick in the bottom slot

CHEVROLET SMALL BLOCK EXHAUST MANIFOLD GASKET

Three-Outlet (16)

Malibu M-Series/LT4 Pre-Cat (Upstream) O2 Sensor ns-medallion-std Includes: Complete spark plug wireLocation: In the exhaust manifold or header, before the catalytic converter Function: Monitors the oxygen level in exhaust gases before they reach the catalytic converter Sends data to the ECM to adjust the air fuel ratio for optimal performance, efficiency, and emissions Install Tips: Cool Engine First: Exhaust components get extremely hotwait until everything cools down. Disconnect Battery: Prevents accidental shorts while unplugging the sensor.