Miller chassis is in the house!
The Miller chassis tubes are finally here and the crew at Proving Grounds Racing is wasting no time putting them all together! John, PGR...
Miller chassis is in the house!
Tear Down in Tennessee Recap
Shop Setup & TN Race Prep!
Driver's Digest: PGR Welcomes Summit Racing to the Program!
Driver's Digest: Fixture Tables
Fun on the Trails!
Tentative Ultra4 2020 Schedule
PGR Joins 4400 Class with a Miller Chassis
4671 - 2020 King of the Hammers Recap
4570 Finishes KOH 2020