Holley EFI O2 sensors precisely manage air fuel ratios to keep your engine performing at its peak. Available in Bosch LSU4 and NTK wideband configurations, Holley EFI has the correct sensor for your high performance EFI application.

Number of Wires: 8
Mounting Style: Thread-in
Oxygen Sensor Bung Included: No
Wiring Harness Included: Yes
Wiring Harness Plug Style: 8 rectangle male
Quantity: Sold individually.
Notes: LSU4 Bosch wideband sensor.