No they are not restored Me-262's they are brand new ones that were built and constructed in the United States. Completely new structure everything. There are only 10 original examples of the Me-262 left in the world and they are not flight worthy and will not be made so either do there value. One of hte new Me-262's has been shipped to its new home in Germany.
Building the First of the Last
The Me 262 Project was launched in 1993 with a single objective: to reproduce flying examples of the legendary Me 262. Classic Fighter Industries, Incorporated (CFII) was incorporated specifically to administer this effort, and exercised direct control over the project from 1993 until early 2001, when all assets were transferred to the owner's group in preparation for final assembly, the test flight programs, and delivery.
Production has been strictly limited to five aircraft: once these five are complete, no more will ever be produced, now or in the future.
The airplanes are being manufactured as a continuation of the basic Me 262 design. In fact, they have even been assigned factory serial numbers drawn from the werknummern sequences used on the original 1945 production lines.
Accurate, Authentic and Airworthy
Great pains are being taken to produce aircraft which are not simply replicas, but rather true serial production representative aircraft in every possible respect. Virtually rivet for rivet, the new aircraft are duplicates of the original Me 262. With the ability to examine and copy components from a vintage source, the standard of authenticity has been exactingly maintained.
Of course, the original design suffered from some well-known weaknesses, most notably dealing with the engines and landing gear systems. These areas were studied carefully, and certain subtle modifications have been directed for operator safety and reliability. A cursory visual inspection would never reveal them, however, as these internal modifications have been tightly integrated into the original design characteristics of the aircraft.
In essence, the new Me 262s are simply representative of a natural evolution of the airframe. They are being manufactured using many of the same techniques as the originals (by hand from raw materials), and are to be precision duplicates, even down to the four nose-mounted Mk 108 cannons. The only noteworthy concession will be in the area of engine selection.
From the Jumo 004 to G.E.'s J-85
Clearly, an engine change was necessary to make this project viable, as the original Jumo 004B powerplants were decidedly temperamental and prone to frequent failure. After careful consideration of a wide variety of available engines, the General Electric J-85 / CJ-610 was selected as the replacement for the vintage Jumo powerplants.
Thanks to an innovative engine mounting concept, the J-85s are to be buried deep inside carefully-engineered castings of the original engine, so that correct visual appearance will be retained. The Jumo housings are also necessary to maintain the correct nacelle weight since the J-85 is a much lighter engine than its German predecessor.
http://www.stormbirds.com/project/general/introduction.htm
You can read more on the project at:
http://www.stormbirds.com