$229.00–$339.00Price range: $229.00 through $339.00
The secondary LSU4.9 wideband oxygen sensor upgrade is recommended to improve the additional AFR data collection and run the ECU in bank-to-bank closed loop AFR control.
When driving high flow low impedance fuel injectors, we recommend the Big Drive fuel injector controllers. These are complete kits with Big Drive’s and wiring harnesses.
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