Since 1982, Performance Unlimited, a family owned and operated business at 5415 Austin Court, Ringwood, has provided superior quality auto repair and maintenance for cars and trucks in and around McHenry County. Word of our commitment to quality and the highest standards of service quickly spread as we developed an extensive base of equally loyal customers. Our commitment to quality includes maintaining the highest levels of automotive repair and maintenance training to match our unsurpassed experience as the guardians of safe, reliable and cost effective automotive transportation for all makes and years, foreign and domestic.

We have expanded our offerings to include winning-edge automotive performance expertise and service that ensure the ability to compete in a wide range of racing types and levels, including 4X4 off road, circle track, drag racing, street & import performance and more. We offer parts and accessories for cars, trucks and racers.

Please visit our services page for a complete list of services.

Performance Unlimited is easy to find west of Route 31, half a mile north of Ringwood Road. Turn left at Dakota Drive and left again at Austin Court. You can’t miss us.

Find us on Google Maps

For more information, call 815-728-0343 and ask for Denny.

Performance Unlimited is well represented at the 2015 McHenry Area Chamber of Commerce Annual Banquet.
Where Denny was presented with the 2014 and 2015 Board Member of the year award.

McHenry Area Chamber of Commerce Annual Banquet
Denny presented 2014 Board Member of the year award