The NHRA Technical Department has released updates to the 2024 Pro Stock Motorcycle EFI Specifications. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2024 NHRA EFI Specifications can be found under Tech, then Rules on NHRARacer.com, then NHRA Product Specifications.

These updates include the following changes…See the latest Pro Stock Product Specifications for complete details.

·       Engine Control Unit:

§  Must run latest accepted firmware