The 20-inch Machined Bolt Pattern wheels with High Gloss Black accents for the 2024 GMC Sierra HD are tagged with RPO code SQ9, and are once again available as an optional upgrade for AT4, Denali, and ...

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The last factory passenger car 12-bolt probably rolled off the assembly line under a Chevelle or Monte Carlo nearly 40 years ago. While cars and hemlines have changed many times, the GM 12-bolt is ...