IPD Rebuild Kits offer most of the parts necessary to make a worn-out engine run like new. IPD offers in-frame and out-of-frame kits for heavy-duty diesel and spark-ignited gas engines for many applications. Repairing a heavy-duty truck’s engine is challenging work; that’s why IPD’s kits were developed with state-of-the-art packaging to ensure you have all the parts you need so you can get things moving again.