Your search for "Tracker" revealed the following:

Biltwell 1" or 7/8 Tracker Bars

£79.99

The Biltwell Tracker Bars are constructed from seamless CNC mandrel bent 0.120” wall 4130 chromoly tubes. A bar which has featured on many custom builds including  those by Jose and Tito of Macco Motors  We cannot guarantee a direct fit as this is a none OEM item.