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Holley EFI

Wideband Oxygen Sensor Extension Cable

4 feet long - Ideal for Holley EFI

Part # 534-199 Be the first to write a review
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Wideband Oxygen Sensor Extension Cable, 4'


  • Genuine Holley Quality Parts

About Holley EFI

Holley is the new standard in EFI! Whether you're engine swapping your classic car or need to manage 4000 horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever!

Brand Holley EFI
Emission Code5
Harness ApplicationUniversal
Product TypeOxygen Sensor
WarrantyLimited 90 Day
Part Number534-199

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

This product works with Holley EFI wideband oxygen sensors, part numbers 554-100 and 554-101. It does not work with the Sniper EFI oxygen sensor.
Limited 90 Day: See Details

    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.