F.A.S.T. Single Sensor Air/Fuel Meter Kit - Wireless - Smartphone Compatible 355016 1976-1993 Cadillac Seville

1976-1993 Cadillac Seville

Side-mounted bed access step

Fittings are sold in a pack of 2

More Fender Clearance for Larger Wheels and Tires

2007-2008 GMC Yukon XL 2500

F.A.S.T. Single Sensor Air/Fuel Meter Kit - Wireless - Smartphone Compatible 355016 1976-1993 Cadillac SevilleFAST's Wireless, dual sensor technology measures your engines air fuel ratio with precision accuracy, all from the convenience of your smart phone! FAST has revolutionized the tuning industry with the most advanced, App based, wireless, air fuel meter. The FAST Wireless Air Fuel Meter uses an underhood mounted Bluetooth module, connected to oxygen sensors in both of your engines exhaust outlets, giving you the full story on the state of your engines