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Pacific Division News



2025 End of Year Stock, Super Stock Horsepower Adjustments Announced
The following Stock/Super Stock horsepower changes were released December 9, 2025 produced by the Automatic Horsepower Factoring System (AHFS). This is the scheduled horsepower adjustment for this year. All changes are effective January 1, 2026. It should be noted that these changes include only results produced by the AHFS, and do not include written letters or requests. Those changes are listed separately. The AHFS is a program based on actual run data compiled from
Dec 9, 20252 min read


NHRA Tech Department makes Additions/corrections to the Stock Car Classification Guide
Dec. 9, 2025 The NHRA Technical Department recently made changes to the Class Guide. Ford 138 264/264 added Mustang 2019 Ford 307 390/390 added Mustang 21-23 73278
Dec 9, 20251 min read


Horsepower Adjustments – From Competitor Requests
The NHRA Technical Department released Horsepower changes December 9, 2025 after review and evaluation of written requests from Lucas Oil Sportsman Series competitors. All changes are effective January 1, 2026. Only those requests received by November 18, 2025 were considered during this scheduled evaluation. Any requests received after November 18, 2025 will be reviewed during the next scheduled evaluation of 2026. Letter review is part of NHRA's commitment to evaluating inp
Dec 9, 20253 min read


NHRA Technical Department Releases the 2025 to 2026 NHRA Rulebook Amendments
The NHRA Technical Department has released the 2025 to 2026 NHRA Rulebook Amendments. These amendments document the NHRA rule changes since the last digital release of the 2025 NHRA Rulebook that will come into effect beginning January 1, 2026. The 2025 to 2026 NHRA Rule Amendments can be found on NHRARacer.com, Tech, Rules, 2025 to 2026 NHRA Rulebook Amendments. Please visit NHRAracer.com periodically to get updates on the most recent Rule Amendments. 73273
Nov 26, 20251 min read


NHRA Releases the Initial Release of the 2026 NHRA Rulebook
NHRA has released the initial release of the 2026 NHRA Rulebook on NHRARacer.com. This can be found under Tech, then Rules. Rule amendments to the 2026 NHRA Rulebook will continue to be posted as needed on NHRARacer.com. Additionally, the online digital version of the 2026 NHRA Rulebook will be periodically updated to reflect changes made to the rule amendments documents. Please check NHRARacer.com periodically for notifications of amendments and rulebook updates. 73274
Nov 26, 20251 min read


NHRA Tech Department makes additions/corrections to the engine blueprint specifications
Nov. 9, 2025 The NHRA Technical Department recently made changes to the blueprint specifications. Ford 2010 352/285 - 428/375 added alternate cylinder head 73268
Nov 9, 20251 min read


NHRA Tech Department makes corrections/updates to the Stock Car Classification Guide
Nov. 3, 2025 The NHRA Technical Department recently made changes to the Class Guide. Ply 1966 Belvedere corrected wheelbase dimensions 73267
Nov 3, 20251 min read


NHRA Tech Department makes additions/corrections to the engine blueprint specifications
Nov. 3, 2025 The NHRA Technical Department recently made changes to the blueprint specifications. Chry 09-10 45-392 added replacement throttle body Chry 09-21 all added runner volumes and port finish Chry 84-85 135 99 added throttle body dimensions GM 92-98 350 275-300 added replacement cylinder head casting. 73266
Nov 3, 20251 min read


NHRA Releases 2025 Rulebook Amendment Updates
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. · Section 16, Pro Stock Motorcycle – Parity update · Gen 2 (up to 160 cid; 60-degree angle,
Oct 27, 20251 min read


Statement of Action Against Participant
During the Lucas Oil event at Rockingham Dragway, David Bargeron's Stock Eliminator entry was found to have exhaust valve lift that exceeded the maximum amount allowed. This violation resulted in disqualification from the event, zero points awarded, and the event counting against the total number of eligible scored events for the season. 73263
Oct 24, 20251 min read


Statement of Action Against Participants
During E1 at the 2025 Lucas Oil Drag Racing Series Regional event at World Wide Technology Raceway, Karma Hopper recorded a run quicker than the 6.000-second index limit for Top Dragster. In accordance with NHRA policy, she was disqualified from the event, received zero points, and the event counted against her total number of eligible scored events for the season. At the 2025 Texas NHRA FallNationals at the Texas Motorplex, McKenna Bold started and did a burnout with the tem
Oct 15, 20251 min read


Statement of Action Against Participants
During E1 at the 2025 NHRA 4-Wide Carolina Nationals at zMax Dragway, Phillip Esz's Top Alcohol Funny Car entry was found to weigh less than his combination's minimum weight. As a result, his E1 run was disqualified. At the 2025 NAPA Auto Parts NHRA Midwest Nationals at World Wide Technology Raceway, Allen Wade's Stock Eliminator entry was found to have idle holes drilled into the secondary throttle blades. This violation resulted in disqualification from the event, zero poin
Oct 6, 20251 min read


NHRA Technical Department Releases Clarifications to Funny Car and Top Fuel Dragster Electrical Components
September 19th, 2025 The NHRA Tech Department has made clarifications to the Electrical Components section of the 2025 NHRA Rulebook for Section 18: Funny Car and Section 19: Top Fuel. The wording below is the updated section and with the clarifications added. These clarifications are effective immediately. The 2025 NHRA Rulebook and 2025 Rulebook Amendments will be updated to reflect these clarifications. 2025 NHRA Rulebook, Sections 18 & 19, ELECTRICAL: 8, Electrical Com
Sep 19, 20252 min read


Statement of Action Against Participants
At the 2025 40th NHRA Reading Nationals presented by Nitro Fish at Maple Grove Raceway during Stock Eliminator teardown, Joseph Santangelo's entry was found to have idle holes drilled into the secondary throttle blades. This violation resulted in disqualification from the event, zero points awarded, and the event counting against his total number of eligible scored events for the season. At the same event, Greg Hunter started and did a burnout with the temporary fuel tank ins
Sep 18, 20251 min read


NHRA Tech Department makes additions/corrections to the engine blueprint specifications
Sept. 23, 2025 The NHRA Technical Department recently made changes to the blueprint specifications. Chry 78-82 105 63-75 added replacement cylinder head 055103373 Stock/SS 73253
Sep 13, 20251 min read


NHRA Tech Department makes additions/corrections to the engine blueprint specifications
Sept. 10, 2025 The NHRA Technical Department recently made changes to the blueprint specifications. Chev 19-24 376-385 added replacement throttle body 19301616 Stock/SS 73251
Sep 10, 20251 min read


Statement of Action Against Participants
At the 2025 Lucas Oil NHRA Nationals at Brainerd International Raceway, Isaiah Banks displayed behavior that was unacceptable and violated the 2025 NHRA Rulebook. Banks received a formal warning for participant conduct. Any future incidents of this nature will result in disciplinary action. During Round 2 of the Lucas Oil event at Beech Bend Raceway Park, Rodger Brogdon displayed behavior that was unacceptable and violated the 2025 NHRA Rulebook. Brogdon received a formal war
Sep 8, 20252 min read


Horsepower adjustments following the Cornwell Quality Tools NHRA U.S. Nationals event in Indianapolis, IN
9/2/2025 As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.30-second under policy at the NHRA U.S. Nationals event, the following change has been made. The horsepower rating for 2019 Ford Cobra Jet, entries with the 302 cubic inch engine and a factory rating of 335 currently rated at 335, has been increased by twenty-five horsepower, to 360 horsepower: for Stock Eliminator automatic. NHRA's 2025 Automatic Horsepower Factoring System outlines t
Sep 2, 20251 min read


NHRA statement regarding results of the Sox & Martin Hemi Challenge
The champion and runner-up in the Sox & Martin Hemi Challenge were disqualified during the post-race inspection on Friday of the Cornwell Quality Tools NHRA U.S. Nationals due to a rules infraction. The purse will be distributed evenly across the remaining competitors. 73248
Aug 31, 20251 min read


NHRA Releases 2025 Rulebook Amendment Updates
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. Section 6, Pro Mod, Tires and Wheels, Wheels – Beginning January 2026, SFI Spec 15.3 rear wheels measuring
Aug 21, 20251 min read
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