Have a pair of Fox factory Forx were fitted to my 79 CR125 a couple of years ago, they were NOS units and have had around 2 hrs on them.
Fox Factory Swingarm made by Karl Landrus- to suit 79-80 CR250 New Never Fitted.
Fox Factory Airbox Ring
Billet Brake stay to suit 78-80 CR250
$5,000 the lot Firm