Concept Racing

1300 S. Yellowstone HWY, Idaho Falls, ID 83402 - 208-524-8187 - Fax: 208-522-0435

Coming Soon, The New Revised Concept Racing Web site

Your one stop shop for all of your Mitsubishi 4g63 Tuning Needs. is your one stop shop for 4g63 product development, design, engineering, and manufacturing. Some of the products that are manufactured by include the CRCO Main Bearing Dowel Kit, CRCO Solid Lash Adjusters, CRCO Billet spark plug well covers and other parts.

The new web site will have full technical installation instructions for all of our products as well as technical discussion of various Mitsubishi Technologies.

Until the new web site is completed, please email us at with your order and contact information and we will telephone call you back to get your credit card billing and shipping information.

Here is the standard pricing of common products All pricing is in United Stated Dollars:

All Concept Racing products are also available though our Master Distributors