Looking for race swingarm , nerfs

[Bolinracing]

I am building my son a trx to race. I have bumper, front end, flexx bars, kill switch, wheels and tires. What I still need is swingarm/rearend and nerf bars. Thanks

[trompen542]

KOQ racing, makes nerfs, and swing arms for the trx 90, call 616-363-1215 for info

[Bolinracing]

Yes, I use them. Had a full build of theirs on a 300ex. Currently I am looking for some used parts to save a few bucks. Thanks.