A 1974 to 1979 Chevy Camaro is required to be equipped with the following emission components:
PCV - Positive Crankcase Ventilation (PCV)
ACL - Preheat Tube or Duct
AIS - Air Injection System & Smog Pump (California Emissions Only)
EGR - Exhaust Gas Recirculation Valve
EVAP - EVAP System (Evaporation Control)
CAT - Type OC. One catalytic converter.
DI/HEI Ignition - HEI system uses a control module and a magnetic pickup mounted in the distributor. There is no use of ignition points. The control module performs the duties of the breaker points in a points and condenser system.
Note the Smog Pump system only applies to Chevy Camaro models built to California emission requirements.