The NHRA Technical Department has released the 23rd edition of the 2026 NHRA Hot Rod Heritage Racing Series Rules Supplement. Unless otherwise noted in this document, the additional amendments included in this release will come into effect immediately. The 2026 NHRA Hot Rod Heritage Racing Series Rules Supplement, 23rd Release can be found on NHRARacer.com under Tech, then Rules.

These changes include the following…See the latest 2026 NHRA Hot Rod Heritage Racing Series Rules Supplement for complete details.

• 7.0 Eliminator, Roll Cage Padding clarification
• Jr. Fuel, Roll Cage Padding clarification
• Pro Comp (formally A/Fuel), Roll Cage Padding clarification
• Nostalgia Funny Car, Roll Cage Padding clarification
• Nostalgia Top Fuel, Roll Cage Padding clarification