F.A.S.T. Single Sensor Air/Fuel Meter Kit - Wireless - Smartphone Compatible 421998 the Hi-Tech stud features rolled

the Hi-Tech stud features rolled threads for maximum contact and a ground-flat top for accurate valve adjustment

BD Diesel Performance is unique among its peers

This exhaust gasket features 1

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

This cover uses the highest quality ABS material producing a super-light cover with above par strength

F.A.S.T. Single Sensor Air/Fuel Meter Kit - Wireless - Smartphone Compatible 421998 the Hi-Tech stud features rolledFAST'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