Information about the 1977 Pontiac Catalina Base
What is the Bolt Pattern (PCD) for a 1977 Pontiac Catalina Base?
5x127
What size tires come on a 1977 Pontiac Catalina Base?
The 1977 Pontiac Catalina Base came from the factory with 205/75R15 or 225/75R15 tires, depending on the wheel package.
What is the Center Bore / Hub Bore on a 1977 Pontiac Catalina Base?
77.8mm
Does the 1977 Pontiac Catalina Base use Lug Nuts or Lug Bolts?
Lug Nuts
What is the Thread Size on a 1977 Pontiac Catalina Base?
1/2 UNF