Technical Bulletins – Historic Sportscar Racing

Skip to content

Skip to content

THE MITTY

APRIL 24 - 27, 2025

|

ENTER EVENT

CONTACT
ABOUT US
PARTNERS

Search

MENU

EVENTS
- UPCOMING EVENTS
  - THE MITTY
- PAST EVENTS
  - IMSA CLASSIC ROLEX 24
  - CLASSIC 12 HOUR AT SEBRING/SEBRING HISTORICS
NEWS
GALLERIES
CLASSIFIEDS
STORE
COMPETITOR INFO

HSR Technical Bulletins

Direct questions can be sent to:
HSR Technical Director, Jack Woehrle, 803-463-5388, JWOEHRLE@HSRRACE.COM

HSR Technical Notices

Click on the lines below to view the PDFs:

Technical Notice 25.01 ~ Camera and Flagtronics Requirements

Technical Notice 25.02 ~ General Information & Sprint and Enduro Groups

Technical Notice 25.03 ~ HSR Five Year Rule

EVENTS
CLASSIFIEDS
PARTNERS
ACCESSIBILITY
TERMS OF USE
PRIVACY POLICY
Manage Cookies

COPYRIGHT 2025 HISTORIC SPORTSCAR RACING. ALL RIGHTS RESERVED. HSRRACE.COM is part of the NASCAR Digital Media Network.