A muscle car has not been fully restored until the interior has been returned to original or like-new condition. Whether a car operates in a northern or southern climate, seats, carpets, and other equipment deteriorate and wear out over time. A factory-original and professional-grade interior restoration is critical for enjoying the driving experience. However, many enthusiasts and owners do not fully understand the techniques and procedures necessary to produce a premium-quality or original restoration.

While factory service manuals and...