The NHRA Technical Department has released additional 2025 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2025 NHRA Rulebook Amendments can be found under Tech, then Rules on NHRARacer.com.

These amendments include the following changes…See the latest amendments document for complete details.

• Division 4 office address updated
• JEGS Allstars event location updated
• Summit National Championship event location updated
• Section 11A, Stock Cars, Piston wording updated
• Section 13B, Comp, Econo Dragster, Carburetor wording updated
• Section 13D, Comp, Altered & Street Roadster, Carburetor wording updated
• Section 13E, Comp, Altered Truck, Carburetor wording updated
• Section 13F, Comp, Econo Altered, Carburetor wording updated
• Section 13G, Comp, Super Modified, Carburetor wording updated
• Section 13K, Factory X, Mustang Cobra Jet 327, Iron block pulley size updated
• Section 13K, Factory X, Piston section added
• Section 14, TAD, Magnetos clarification/wording updated
• Section 15, TAFC, Magnetos clarification/wording updated
• Section 17, Pro Stock, Grille clarification/wording updated