**11/15/2019- Due to overwhelming demand for parts and continued slow supplier rates, Pre-orders for parts may be made over the phone. If you dont mind a wait and want to get in line on a certain product, please call and leave a message if necessary.
R&D IDI Performance is dedicated to bringing the Navistar/IH 6.9 and 7.3 diesel into the modern world of diesel performance. Not only is it our goal to explore the realities of the platform but to maximize it, and take it to its limit. We provide the products to make that happen!