Pacific Division News

Oct. 12, 2026 The NHRA Technical Department recently made changes to the blueprint specifications. Ford 87-95 302 185-225 removed cylinder head # F1ZE-B

Statement of Action Against Participants – 10/12/26 At an NHRA member track event at Toronto Motorsports Park, Anthony D’Aversa was found to have a vehicle with a counterfeit NHRA chassis certification tag. As a result, D’Aversa was disqualified from the event, suspended from competition at NHRA sanctioned events and NHRA member track events for one year, fined twenty-five hundred dollars ($2,500), and must successfully complete a chassis inspection prior to participating in

The NHRA Technical Department has released the Initial Release of the 2026–2027 NHRA Rulebook Amendments. These amendments document the rule changes made since the last digital release of the 2026 NHRA Rulebook and outline the changes that will take effect on January 1, 2027. The 2026–2027 NHRA Rulebook Amendments can be found on NHRARacer.com under Tech → Rules → 2026–2027 NHRA Rulebook Amendments. Please visit NHRARacer.com periodically for updates on the latest rule am

Oct. 7, 2026 The NHRA Technical Department recently made changes to the Class Guide, due to clerical errors as follows. GM 98-08 multiple LS added replacement cylinder head. Ford 64-81 multiple small block added replacement cylinder head. Ford 61-70 multiple FE added replacement cylinder head.

Oct. 7, 2026 The NHRA Technical Department recently made changes to the blueprint specifications. Mopar 64-65, 68 383/280 - 335 added alternate intake manifold

10.6.26 Based on the FLEXJET NHRA Factory Stock Showdown performance numbers from the 2026 season, the NHRA Technical Department is increasing the minimum weight for the 2021 Dodge Challenger 354 Gen-5 Whipple by 25 pounds, from 3525 to 3550. This rule change will go into effect immediately. NHRA reserves the right in the future to make additional rule changes to control performance and maintain parity in the category.

At the 2026 Dodge NHRA Great Lakes Nationals at US 131 Motorsports Park, Jason Dietsch had a scale violation resulting in a Q1 run disqualification. Dietsch was also involved in an altercation with a fellow competitor. This violation resulted in a monetary fine of twenty-five hundred dollars ($2,500). At the same event, Shawn Reed’s Top Fuel entry was found to have improper supercharger restraint system hardware. This violation resulted in disqualification of his Q2 run. At t

September 28, 2026 NHRA will continue to permit Pontiac Rochester Quadrajet carburetors featuring the original 1971/1972-style single-ring primary booster configuration, identified by the absence of the outer booster ring in each primary bore, in all Pontiac engine applications otherwise eligible for Rochester Quadrajet carburetors, regardless of model year, through the conclusion of the 2026 NHRA racing season. This allowance does not permit the removal or modification of

9/29/2026 As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA Division 7 event, the following change has been made. The horsepower rating for 1979 Ford Fairmont, entries with the 302 cubic inch engine and a factory rating of 140 currently rated at 158, has been increased by two horsepower, to 160 horsepower: for Stock Eliminator manual. NHRA's 2026 Automatic Horsepower Factoring System outlines that any run of 1.20

NHRA Releases 2026 Rulebook Amendment Updates The NHRA Technical Department has released additional 2026 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2026 NHRA Rulebook Amendments can be found on NHRARacer.com under Tech, then Rules. These amendments include the following changes…See the latest 2026 Rulebook Amendments document for complete details. Section 6, Pro Mod – Parity adjustments Sect

Based on the FLEXJET NHRA Factory Stock Showdown performance numbers from the 2026 season, the NHRA Technical Department is increasing the supercharger overdrive by changing the upper supercharger pulley for the 2021 Dodge Challenger 354 Gen-5 Whipple from 3.750 inches to 3.625 inches. This rule change will go into effect immediately. NHRA reserves the right in the future to make additional rule changes to control performance and maintain parity in the category.

At the 2026 NHRA US Nationals, Pro Mod competitor Jason Collins was found to have a modified supercharger. Collins’ Q1, Q2, and Q3 runs were disqualified. In addition, Collins was fined $2,500 and assessed a 100-point championship deduction. Factory Stock Showdown competitor Taylor Dietsch was found to have an incorrect supercharger pulley. Dietsch’s Q3 run was disqualified, and he was fined $2,500. Top Fuel competitor Jacob Opatrny received a Q2 run disqualification for fail

Sept. 10, 2026 The NHRA Technical Department recently made changes to the Class Guide, due to clerical errors as follows. GM 85-87 305 155-190/275 change to 305 155-190/265 Stock Auto

Sept. 10, 2026 The NHRA Technical Department recently made changes to the blueprint specifications. GM 83-88 305 multiple added alternate manifolds. GM 83-88 305 multiple added alternate cylinder head.

9/10/2026 As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA U.S. Nationals event, the following changes have been made. The horsepower rating for 83-84 GM Camaro, Firebird, entries with the 305 cubic inch engine and a factory rating of 180-200 currently rated at 263, has been increased by two horsepower, to 265 horsepower: for Stock Eliminator automatic. The horsepower rating for 1972 Ford Maverick, Comet, entrie

The NHRA Technical Department has released additional 2026 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2026 NHRA Rulebook Amendments can be found on NHRARacer.com under Tech, then Rules. These amendments include the following changes…See the latest 2026 Rulebook Amendments document for complete details. Section 2, Race Procedures, Proper Use of Safety Equipment – Updated Section 16, Pro Stock M

September 1st, 2026 The NHRA Technical Department recently made changes to the blueprint specifications. GM 88-92 305 multiple added throttle body specification. GM 88-92 350 multiple added throttle body specification.

As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA Division 1 event, the following changes have been made. The horsepower rating for 88-89 GM Camaro, Firebird, entries with the 350 cubic inch engine and a factory rating of 225-230 currently rated at 266, has been increased by two horsepower, to 268 horsepower: for Stock Eliminator automatic. NHRA's 2026 Automatic Horsepower Factoring System outlines that any run o

As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA Division 1 event, the following changes have been made. The horsepower rating for 00-04 Chevrolet Corvette, entries with the 346 cubic inch engine and a factory rating of 345 currently rated at 350, has been increased by three horsepower, to 353 horsepower: for Stock Eliminator automatic. The horsepower rating for 67-68 Chevrolet Camaro, entries with the 327 c

August 10, 2026 The NHRA Technical Department recently made changes to the blueprint specifications. Mopar 64-65 426/400,425 added carburetor information. Mopar 1968 426/425 added carburetor information.