Skip to main content

Welcome to the IHRA Rules Page

Here you can view the IHRA Rulebooks, and check out all of the latest competition updates and revisions.

Pro

Top Fuel

Funny Car

Pro Modified 

Pro Nitrous

Pro Stock (500 Inch)

Mountain Motor Pro Stock

Top Alcohol Dragster

Top Alcohol Funny Car


Pro-Am

Top Dragster

Top Sportsman

Factory Stock

Quick Rod

Super Rod

Hot Rod

Super Stock

Super Stock Indexes

Stock Eliminator

Stock Eliminator Indexes


(General)

E.T. Bracket - Jr. Dragster - Teen

Rulebook Revisions & Updates

IHRA Rulebook Revisions and Clarifications

  • 06/22/2025
    • General
      • Correction: Page 50 - "All drivers running 0-9.99 (6.49 1/8th mile)..." to "All drivers running 0-9.99 (6.39 1/8th mile)..."
  • 06/12/2025
    • Super Rod
      • Added left hand steer roadsters to reserved for. 
    • Top Fuel
      • Deletion of "dry sump oiling" from engine block specs. 
  • 05/15/2024
    Page 29
    Revision: MASTER: Age 12 to 17; Rack & pinion steering and steel brake lines are mandatory. ET 7.90 or slower