↑ Return to Sensors

O2

Part#9019 is our Standard wideband O2 sensor kit for the Pro128

Find Us

ProEFI Arizona
Headquarters/R&D
Fountain Hills, AZ

480-607-4968
Support: Tech@proefi.com
Sales: Sales@proefi.com
More Information

Authorized Dealers

Find an authorized dealer near you. With locations throughout the US and other parts of the world, finding an authorized dealer near you has never been easier!

Click Here to learn more!

Setting Records

Our M3 has been setting records!

New World Record 10.54 @ 141.38mph 813hp@24psi!

Kits in stock and Now shipping!

Click Here to learn more!

Click Here for Customer Gallery

O2

Find Us

Authorized Dealers

Setting Records

Customer Cars