Record Entries Set for 2017 Pirelli World Challenge With New USAC Online Registration System; Major Off-Season Investments Bring Excitement

105 provisional entries have already been received for the 2017 Pirelli World Challenge championships under new USAC sanction.

http://nasportscar.com/record-entries-set-for-2017-pirelli-world-challenge-with-new-usac-online-registration-system-major-off-season-investments-bring-excitement/