NHRA Rulebook 

NHRA Tech Department makes updates to the Stock Car Classification Guide  12/18/2014

Horsepower Adjustments – From Competitor Requests 12/18/2014

2014 End of Year Stock, Super Stock Horsepower Adjustments Announced 12/18/2014

NHRA Announces Changes to the Automatic Horsepower Factoring System (AHFS) for 2015 12/18/2014

Automatic Horsepower Factoring System (AHFS)  12/15/2025

The NHRA Technical Department has posted the updated Approved Fuel List 12/17/2014

Tuesday Tech Question 12/16/2014

NHRA Released the 2015 NHRA Harley-Davidson Drag Racing Series Rulebook Supplement 12/8/2014

NHRA Released the 2014 to 2015 NHRA Harley-Davidson Drag Racing Series Rulebook Supplement Amendments 12/8/2014

NHRA released the 2015 Junior Drag Racing League Amendments 12/2/2014

NHRA Releases 2015 Rulebook Amendments 12/2/2014

NHRA Releases New Class Indexes 11/25/2014

NHRA Releases 2015 Rulebook Amendments 11/24/2014

NHRA Rule Clarification for Pro Modified Roof Panels 11/21/2014

NHRA Releases 2015 Rulebook Amendments 11/21/2014