F.A.S.T. Single Sensor Air/Fuel Meter Kit - Wireless - Smartphone Compatible LK22273 3/4 to 1-3/4 in OD

3/4 to 1-3/4 in OD

Triple 450 Phantom

1976-1977 Ford E-150 Econoline

steel retainer for #26915 or #26918 Valve Springs in Non Gen III Engines is precision machined from 4140 chromemoly steel and finished in black oxide

F.A.S.T. Single Sensor Air/Fuel Meter Kit - Wireless - Smartphone Compatible LK22273 3/4 to 1-3/4 in ODFAST'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