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What is the wheel size bolt pattern and offset for a 1985 Chevy impala?

The 1985 Chevy Impala's wheel bolt pattern is 5x4.75" (5 lug, 4.75 inches between lug centers).

However, the offset varies depending on the specific wheel and tire package originally installed on the car, and whether it's a standard Impala or a different trim level (like the SS). There's no single definitive offset for all 1985 Impalas. You'll need to consult a wheel and tire resource using your specific VIN number or check the stamped information on your existing wheels.

To find the correct offset for your car, it's best to:

* Check your existing wheels: The offset will be stamped on the back of the wheel.

* Consult a parts catalog: Use your VIN number to search a reputable parts catalog (like a GM parts website) or a wheel and tire retailer's website.

* Check a wheel and tire fitment guide: Several websites specialize in helping you find wheels that fit your vehicle. These usually require your year, make, and model.

Simply knowing the bolt pattern isn't enough to ensure proper fitment; the offset is crucial for proper wheel clearance and handling. Using an incorrect offset can lead to rubbing, interference with suspension components, or even damage to the vehicle.