a friend of mine has a complete rear end (swingarm, rims brakes ohlins shock) from a vfr 750 which i could use. how difficult is to make the conversion. if i purchase the basic kit from pcw http://www.pcwracing.net/page2.htm will i be ok ?. i know i have to mod the tank. what else should i need for the oil sealing e.t.c . can somebody give me info ?