Audi R8 4.2L & 5.2L Engine Rebuild Program

At AMTuned, our craft is engine building. Weather you are looking for a factory style rebuild, or want to shoot for the moon power wise, we know what it takes to get the job done. With years of sleeving these Audi hypereutectic blocks, we have perfected the craft of retaining a factory bore size no matter your power goal with our in house sleeving process utilizing our custom specification sleeves. We service both the 4.2L and 5.2L.  All of our stage options include a sleeved engine block.  Customers must establish contact prior to shipping and purchase the desired engine rebuild stage in full before work begins. Shipping to or from our facility is not included. Local drop off and pick-up is available free of charge. Never shipped an engine? Let us help guide you through the process! We typically see shipping rates between $275-$500 one way within the continental United States. We recommend using www.goship.com and reinforcing a standard pallet with a sheet of plywood between the engin