About Us

Cornerstone Performance Division, a wholly owned subsidiary of Cornerstone Dealer Services, is focused exclusively on providing extended vehicle service contract coverage and claims administration services in the North America for nationally recognized performance manufacturers.  Management at Cornerstone Performance Division realizes the importance of providing its clients with flexible, personalized solutions to meet their market needs.

As a member of the Specialty Equipment Market Association (SEMA), our specialized portfolio of products and services include extended service contracts and limited warranty plans on vehicles that have been modified with the installation of performance parts such as superchargers.

Our claims department is staffed entirely with ASE certified claims adjusters and customer service personnel having extensive automotive industry backgrounds.  Claim payments are made simple through efficient credit card payment options.

Please spend a few moments to learn more about Cornerstone Performance Division and the partnership opportunities we provide.  We encourage you to reach out to members of our management team to find out how we can help provide solutions to your business needs.