Information about the 1968 Pontiac Firebird HO
What is the Bolt Pattern (PCD) for a 1968 Pontiac Firebird HO?
5x120.65
What size tires come on a 1968 Pontiac Firebird HO?
The stock tire size on the 1968 Pontiac Firebird HO is 195/75R14.
What is the Center Bore / Hub Bore on a 1968 Pontiac Firebird HO?
70.3mm
Does the 1968 Pontiac Firebird HO use Lug Nuts or Lug Bolts?
Lug Nuts
What is the Thread Size on a 1968 Pontiac Firebird HO?
7/16 UNF
What mods are other 1968 Pontiac Firebird HO owners running?
Check out our Pontiac Firebird Build Threads to see real-world examples of how other enthusiasts are customizing their cars. From wheels and tires to performance upgrades.