Shop 1978 Pontiac Grand Prix LJ Aftermarket Car Parts

Discover our selection of aftermarket car parts across multiple categories. From wheels and tires to suspension, performance upgrades, and exterior and interior enhancements, find everything you need to take your 1978 Pontiac Grand Prix LJ to the next level.

Wheels & Tires for a 1978 Pontiac Grand Prix LJ

Suspension Components & Accessories for a 1978 Pontiac Grand Prix LJ

Performance Parts for a 1978 Pontiac Grand Prix LJ

Interior Parts for a 1978 Pontiac Grand Prix LJ

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Information about the 1978 Pontiac Grand Prix LJ

What is the Bolt Pattern (PCD) for a 1978 Pontiac Grand Prix LJ?

5x120.65

What is the Center Bore / Hub Bore on a 1978 Pontiac Grand Prix LJ?

70.3mm

Does the 1978 Pontiac Grand Prix LJ use Lug Nuts or Lug Bolts?

Lug Nuts

What is the Thread Size on a 1978 Pontiac Grand Prix LJ?

7/16 UNF

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