Performance Engineering and Manufacturing, LLC (PEM) is returning for the 2025 campaign as the Official Quick Change of the USRA.

Embarking on their tenth year of manufacturing and building complete quick change rear ends for the oval track racing market, PEM builds their quick change rear-ends with standard features that are options on some of the other companies.

Based in St. Clair, Mo., the company is focusing on reaching out to other regions of the United States while continuing to offer the same great local service that they have become known for.

In addition to padding the points funds for USRA racers, PEM will provide product certificates to the top three in the final Summit USRA Weekly Racing Series national points for the USRA Modified, USRA B-Mod and USRA Stock Car divisions.

For more information about PEM, or to get answers to questions you might have about PEM quick change rear ends, gear sets or other driveline products, call (636) 629-6200 or visit them online at pemracing.com. You can also learn more on Facebook, Instagram, Twitter and YouTube.

Silver Anniversary Season: As the United States Racing Association (USRA) charges into its monumental 25th season of dirt track racing in 2025. It's a full-throttle commitment to the heart of racing with an unwavering dedication to fair, logical and cost-effective rules.

The USRA has been the driving force behind the surge of racetracks and racers joining the fray each year. Last season during the Summit USRA Weekly Racing Series, over 60 of America's top-tier dirt ovals hosted more than 1,000 nights of jaw-dropping racing.

To learn more about the USRA, check out USRAracing.com and follow our social media platforms on Facebook, Instagram, TikTok, X and YouTube. To get USRA news and exclusive promotions delivered to your inbox, click here.

Registration is open for Summit USRA Weekly Racing Series racers in 2025 by calling (515) 832-6000, online or download the application on the USRA website.

Summit USRA Nationals: The 12th Annual Summit USRA Nationals is slated for five nights from Sept. 30 through Oct. 4 at the legendary Lucas Oil Speedway in Wheatland, Mo., with USRA Modifieds, USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks and USRA Tuners in action. For more information, visit lucasoilspeedway.com.

The 6th Annual Summit USRA Southern Nationals returns to the Boothill Speedway in Greenwood, La., from Oct. 16-18. The event will feature USRA Limited Mods and Sunoco USRA Factory Stocks. For more information, visit boothilldirt.com.

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USRA OFFICIAL SPONSORS: American Racer Racing Tires, Beyea Headers, Christie Door Company, Fast Shafts, FK Rod Ends, KSE Racing Products, Mesilla Valley Transportation, Nitroquest Media, PEM Racing Gears & Drivetrain, RacinDirt, Summit Racing Equipment, Sunoco Race Fuels.

USRA PARTICIPATING SPONSORS: Boubin Tire & Automotive, Brodix Cylinder Heads, PBM Performance Products, YouDirt.com.

USRA CONTINGENCY SPONSORS: AFCO Racing Products, Allstar Performance, Bryke Racing, BSB Manufacturing, Champ Pans, Dynamic Drivelines, Edelbrock, Gorsuch Performance Solutions, Gunshepherd.com, Hyperco, Integra Racing Shocks & Springs, JE Pistons, Keyser Manufacturing, Landrum Performance Springs, MD3, MSD Performance, Performance Bodies & Parts, QA1, Quarter Master, QuickCar Racing Products, RacerWebsite.com, Real Racing Wheels, Rush RaceGear by Austin Witt, Sweet Manufacturing, Swift Springs, Sybesma Graphics, Total Power, Wehrs Machine & Racing Products, Wilwood Disc Brakes ARMI Contractors, Chevrolet Performance, Day Motor Sports, Deatherage Racing Opticians, KS Engineering.