MSD 7767 Oxygen Sensor Module

Part Number
Exhaust Pressure Module; Use w/PN[7766] Dual Wide Band NTK O2 Module
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If you are looking for accurate AFR readings Pre-turbo or just want to know what your back pressure is then the 7767 is for you. When combined with the 7766 NTK wideband module you can read AFR accurately with up to 75psi of back pressure. With other widebands this is not possible due to their lack of back pressure compensation. You can use a single 7766 and 7767 module to get per bank information on your engine, or use 4 7766 modules with a single 7767 to get per cylinder AFR readings on your 8 cylinder turbo charged engine. You can easily pair the 7766 and 7767 with a Power Grid for plug and play operation or use the supplied analog outputs on each module to read AFR and back pressure data on your data logger or EFI system of choice.



  • Power Grid; Exhaust Pressure Module
  • Placing An Oxygen Sensor On Each Cylinder In Boosted Applications
  • Exhaust Pressure Module
  • Compensates For Exhaust Back Pressure When Used With Msd Pn 7766
  • Plug And Play Power Grid Module
  • Holley Performance Emission Code 4: This part is legal for sale or use on Racing Use Only Vehicles. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
  • Exhaust Pressure Module; Use w/PN[7766] Dual Wide Band NTK O2 Module;
  • Optional Second Pressure Sensor For Dual Turbo Applications


WARNING CA Proposition 65No


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