'64 Pontiac GTO original owner, 75,000 miles, heads have never been off
That pulley-driven item between the AC and the alternator is the California-only air pump, more properly termed the Air Injection Reactor (A.I.R.) Exhaust Control system.
on Feb 26, 2011 said:
Geez, it is just so good to see all these wonderful GTO's still driving around !