Probably a Rolls Royce Trent

. If I remember, the one at the jet masters used a P160.
http://www.skygate-collection.de/index.php?id=567&L=3
This is one BIG jet. I hope you have a large truck to transport it.
Graupner are bringing out a smaller one, built by Skygate. Should be out next year.
Regards
Jim