F.A.S.T. Single Sensor Air/Fuel Meter Kit - Wireless - Smartphone Compatible 421998 Accepts 2” or 3” seat

Accepts 2” or 3” seat belts (Small unit - 2" belts only)

2007-2007 Chevrolet Monte Carlo

Countersunk Washers 1/4" x 3/4"

352-428 and 429-460

BD Diesel Performance is unique among its peers

F.A.S.T. Single Sensor Air/Fuel Meter Kit - Wireless - Smartphone Compatible 421998 Accepts 2” or 3” seatFAST'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