ROTREX C38R 112 supercharger. Used briefly on a test rig for a multifuel power generator. Them removed after testing. Does have a few minor marks from being in the test environment but it really is mechanically as new. It's the biggest and most powerful of the Rotrex superchargers. These are£3800 new from Deamon Tweaks. Have yourself a hell of a deal and allot of fun.