Pacific Division News

Automatic Horsepower Factoring System (AHFS) The AHFS is used to review and evaluate runs in Stock and Super Stock for possible horsepower adjustments. The review for factor adjustments is conducted once per racing season. The data used during the review for possible increases in hp is cumulative from the 1st National or Divisional event through the final National or Divisional event of the calendar year. Runs included in the AHFS database are limited to final qualifying ru

https://www.nhra.net/2026/NHRARacer/2026 NATL EVENT SCHEDULE.pdf

https://www.nhra.net/2026/NHRARacer/LODRS/2026_Class_Schedule.pdf

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, 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

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

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

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

https://cdn.discordapp.com/attachments/1438188094850601071/1438297147035484251/DRS_20_2025_PC2_v4.jpg?ex=69165e1a&is=69150c9a&hm=85eb590934742e472bd62ab3778cdcdbac1db2bd9f5ac47b34f2bf580707f15e&

Update- November 12th, 2025 at 2:51pm (PST) Good Afternoon Lucas Series Racers, Due to the unfavorable forecast this weekend, the decision has been made to go directly into Round 1 of Eliminations tomorrow morning, November 13th, for STK, SS, SC, and SG. The intention is to run the event to completion tomorrow in these categories. While an unpopular decision for all concerned, we feel this is the best course of action to complete the event and championships in your cat

In-N-Out Burger NHRA Finals competitors, Due to the pending forecast this weekend, we may need to adjust the schedule. While our goal remains to complete the event within the originally scheduled dates, weather conditions may require changes. We understand you may need additional time to evaluate the forecast. To accommodate this, the deadline to withdraw from the event has been extended to 1:00 PM PT on Wednesday, November 12th . If you choose to withdraw, please log i

http://www.nhra.net/2025/images/NHRARacer/detailed_run_schedule_PC2_25.pdf

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. 3, 2025 The NHRA Technical Department recently made changes to the Class Guide. Ply 1966 Belvedere corrected wheelbase dimensions 73267

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

http://www.nhra.net/2025/images/NHRARacer/detailed_run_schedule_LN2_25.pdf

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,

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

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

http://www.nhra.net/2025/images/NHRARacer/detailed_run_schedule_DT1_25_1.pdf