600cc trx 450r engine 04-05

I have a low hour 600cc trx engine 10 mill crank balanced welded and trued,falicon rod with a custom CP 14.1 2 ring piston tall 101 cp cylinder 12 mill head bolts custom 500. lift cam with all custom valve train asking $4500 obo can add ignition and carb for some additional $ This is a gas engine and requires race gas with a minamal octain of 112 she will run all day long !!! high 60s in power and high 40s in torque!!!!