Walker Products O2 Sensor, carburetor kit, fuel injection repair kit, glow plug, spark plug wire set, oxygen sensor, throttle position sensor, air charge temperature sensor, engine coolant temperature sensor, manifold absolute sensor, fuel injector, fuel pressure regulator, carburetor rebuild kit Walker is ready to provide its customers with Innovative Engine Management Solutions now and into the future! Since 1946 One of the largest, privately owned, manufacturers of Fuel System Components and Engine Management Devices, we have served the needs of the worldwide automotive aftermarket since 1946.