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Vehicle Info NeededHOLLEYPART NUMBER: 510-534-54
534-54 Closed Loop Oxygen Sensor Kit All Digital Pro-Jection System
$18099
Ships on Sep 04, 2026
Lowest Price GuaranteeSensors
- Closed Loop Oxygen Sensor Kit
- All Digital Pro-Jection System
The addition of a Holley Closed Loop Oxygen Sensor kit to your Holley Digital Pro-Jection fuel injection system enhances the fuel delivery process by constantly monitoring the air/fuel ratio and automatically making the corrections necessary to achieve an ideal 14.7 to 1 air /fuel ratio. Sensor easily installs in the exhaust system between the engine and the catalytic converter. (C.A.R.B. exemption applied for).Kit Includes: - Wiring Harness
- O2 Sensor 510-43-106
- O2 Bung 510-534-49
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeOxygen Sensor
BrandHOLLEY
Package Height4.2
Package Width5.9
Package Length6.5
Weight0.64 PG
Part CategoryPerformance Parts
Wiring Harness IncludedYes
Oxygen Sensor IncludedYes
Oxygen Sensor Bung IncludedYes
QuantitySold as a kit
Vendor Part Number534-54
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
