Spinning these cams back into spec! Remanufacturing is at the core of what we do and one of the ways we do that is through machining parts to bring them back into OE spec or better before getting back on the road. Here we’re machining notches into the camshaft of a 3.5L eco-boost so we can add sleeves to the worn seal area. This machining work was completed in our Indiana Tool and Die division. | Jasper Engines & Transmissions

Here at Jasper Engines & Transmissions, precision and quality are key, and the Associates of Head Machining in POD 10 are essential to our remanufactured engines! The processes in Head Machining include a thorough parts inspection. Valves springs are measured for pressure on an in-house developed tester. At the overhead cam station, cam caps are installed, honed, and measured for accuracy. Valve seats are cut at different angles to ensure proper valve seating, optimize engine performance, and en

At JASPER®, we don’t take shortcuts—especially when it comes to remanufacturing cylinder heads. In this video, watch as our skilled technicians use a fusion welding process to restore cracked cast iron heads to OE-level performance. By heating the head, welding with precision, and slowly cooling it, we restore the structural integrity that cheaper, aftermarket heads just can’t match. Why do we do it? Because quality matters. Many of our customers trust the durability of the original OE head over

A brief overview of JASPER's gas engine remanufacturing process. | Jasper Engines & Transmissions