1977 GMC C15 Heavy Half 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 1977 GMC C15 Heavy Half to the next level.

Wheels & Tires for a 1977 GMC C15 Heavy Half

Suspension Components & Accessories for a 1977 GMC C15 Heavy Half

Performance Parts for a 1977 GMC C15 Heavy Half

Interior & Exterior Parts for a 1977 GMC C15 Heavy Half

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Information about the 1977 GMC C15 Heavy Half

What is the Bolt Pattern (PCD) for a 1977 GMC C15 Heavy Half?

5x127

What is the Center Bore / Hub Bore on a 1977 GMC C15 Heavy Half?

78.1mm

Does the 1977 GMC C15 Heavy Half use Lug Nuts or Lug Bolts?

Lug Nuts

What is the Thread Size on a 1977 GMC C15 Heavy Half?

1/2 UNF

What mods are other 1977 GMC C15 Heavy Half 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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