ID: 25-26-002 | Released: 17-Aug-25
TO:ALL ISR Drag Racing Affiliates
SUBJECT:Line Lock devices will continue to be permitted
New
ID: 25-26-001 | Released: 08-Jul-25
TO:ALL ISR Affiliates
SUBJECT:Dates and locations for the 2025/2026 ISR RACE AND TECH DIRECTORS SCHOOL's
New
ID: 23-24-005 | Released: 27-Jan-25
TO:ALL ISR Affiliates
SUBJECT:Revised 2-27-25 Rev Limit Change:TRANSITION & Jr. Novice
ID: 24-25-005 | Released: 04-Jan-25
TO:ALL ISR Oval Sprint Affiliates
SUBJECT:Oval Junior Advancement Clarifications:
ID: 23-24-002 | Released: 19-Aug-24
TO:ALL ISR Drag Racing Affiliates
SUBJECT:Pro 55 drivers are required to conform to Pro Mod Rider Safety Requirements