Here at GN1Performance not only do we carry a wide variety of quality parts and accessories for your 1986 or 1987 Buick Grand National, but we provide our expertise in building the cars as well.

From stock rebuilds to stroker engines, we can readily assist you. Whether you need to purchase parts, need assistance installing bolt ons, or you need to have an engine built, we can help make it happen.

We also provide custom fabrication! Regardless of where you are in the process of building your car, we can guide you to achieve desired performance you're looking for.

We have been building Buick Grand Nationals for over 30 years and are confident that you are getting quality products and expert knowledge that will make your car perform.

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