1975 GMC C15 Sierra Classic 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 1975 GMC C15 Sierra Classic to the next level.

Wheels & Tires for a 1975 GMC C15 Sierra Classic

Suspension Components & Accessories for a 1975 GMC C15 Sierra Classic

Performance Parts for a 1975 GMC C15 Sierra Classic

Interior & Exterior Parts for a 1975 GMC C15 Sierra Classic

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Information about the 1975 GMC C15 Sierra Classic

What is the Bolt Pattern (PCD) for a 1975 GMC C15 Sierra Classic?

5x127

What is the Center Bore / Hub Bore on a 1975 GMC C15 Sierra Classic?

70.6mm

Does the 1975 GMC C15 Sierra Classic use Lug Nuts or Lug Bolts?

Lug Nuts

What is the Thread Size on a 1975 GMC C15 Sierra Classic?

1/2 UNF

What mods are other 1975 GMC C15 Sierra Classic owners running?

Check out our GMC C15 Build Threads to see real-world examples of how other enthusiasts are customizing their cars. From wheels and tires to performance upgrades.

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