Early style 3 wire GM style IAT sensor as used by many aftermarket efi systems such as Fueltech, Holley, MS3, AEM, Big Stuff 3, Fast, etc. These are a 0-5v sensor and very commonly used.
ECT Sensor for most aftermarket EFI systems
These will make your injector 10mm taller. They work with typical 14mm o ring injectors. Set of 8
ECT Sensor for LS Style Heads
Ign1a Smart Coils Like Holley, Fueltech, Haltech, DIY, AEM, Mercury Marine, etc...