The Edelbrock #3588 Air Temp Sensor with 3/8"-18 NPT threads. This Edelbrock #36018 Threaded Air Temp Sensor has a range from -40 to 284 Deg Fahrenheit. Warranty
Edelbrock part #3589 Pro-Flo EFI replacement coolant temperature sensor is available for Pro-Flo and Pro-Flo XT EFI systems, Brass, Natural, 3/8 in. NPT Thread Size.
The Edelbrock #3591 is a Replacement Narrow-Band Oxygen Sensor For ProFlo1 (#3500 Series) EFI Systems. It is a Bosch 3-Wire, Heated Sensor. It includes Replacement O2 Sensor and Weld-In Bung.Warranty
The Edelbrock #3578 Air Temp Sensor is for push in connections. This Edelbrock #36018 Air Temp Sensor includes a rubber grommet and has a range from -40 to 284 Deg Fahrenheit.Warranty