I have a 2006 trx450er this quad was raced maybe 8 to 10 times this year, in the begining of the season the quad had a full rebuilt motor that was done by Herba Motor Company brand new crank, piston, jug , all new valves and spring's brand new head, anything the quad need it was done, after every race the oil was changed and after every two race's the oil filter was changed at the end of the year the quad had a brand new piston and rings put in by herba's again just to freshing it up HERE is a list of some of the mods done to it call or text 518-596-0211

full lrd pipe
houser +2.25
G force axle
quad tech hood
8 in rear rims
10 in front rims
houser plus 2 stem
tag bars
powermad hand grands
msr clutch lever
bomb squad graphic and seat cover