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

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

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

JASPER® is proud to offer the Coyote 5.0L for Gen I and II F-150 applications as part of our lineup of remanufactured engines. Some of the value-added quality improvements JASPER has made include: - JASPER-engineered pistons with additional oil return holes for reduced oil consumption, an anodized crown for higher heat strength, and increased durability. - NEW intake valves that are fully nitrided and made from a 21-4N material to eliminate valves from developing a mushroomed condition. Our Coyo

A brief overview of JASPER's Transmission Remanufacturing Process. | Jasper Engines & Transmissions

Here at Jasper Engines and Transmissions, we’ve invested in a state-of-the-art Mazak CNC machining unit—specifically designed to perfect the overhead cam bores in our cylinder heads. This video features a 5.0L Coyote head. How it works: • Heads are mounted on a rotating tombstone holding up to 4 at a time. • A Renishaw probe identifies each head and selects the correct machining process. • A high-precision cutting bar, cooled with ultra-filtered oil (up to 10 microns!), ensures clean cuts and a

And that’s a wrap on the 2025 customer tour season here at Jasper Engines! Being the largest remanufacturer of gas and diesel engines and serving 52 branches, we have customers nationwide. We love having them tour our facilities, see our processes, and get a glimpse into our daily operations. Thank you to our customers who spent a day with us, as well as our tour guides, Outside Sales Reps, corporate pilots, and support staff who make our tours happen each week! We look forward to welcoming ever