NASCAR® Xfinity Series/Craftsman Truck Series Teams Using JASPER® 4-Speed Transmissions in 2023


Twenty-one team/driver combinations are using the JASPER 4-Speed Transmission for the 2023 NASCAR® Xfinity Series season. Seven drivers representing four teams in the NASCAR® Craftsman Truck Series are also using the JASPER 4-Speed Transmission this year.
The following NASCAR® Xfinity Series teams are using JASPER 4-Speed Transmissions in 2023: JR Motorsports, with drivers Sam Mayer, Justin Allgaier, Josh Berry, and Brandon Jones. Kaulig Racing, with drivers Justin Haley, Daniel Hemric, and Chandler Smith. Joe Gibbs Racing, with drivers Sammy Smith, Ryan Truex, and John Hunter Nemechek. Stewart-Haas Racing, with drivers Cole Custer and Riley Herbst. Alpha Prime Racing, with drivers Ryan Ellis and Jeffrey Earnhardt. Our Motorsports, with drivers Anthony Alfredo and Jeb Burton. Richard Childress Racing, with drivers Sheldon Creed and Austin Hill. Big Machine Racing Team, with driver Parker Kligerman. AM Racing, with driver Brett Moffitt. And RSS Racing, with driver Kyle Sieg.
The following NASCAR® Craftsman Truck Series teams are using JASPER 4-Speed Transmissions in 2023: GMS Racing, with drivers Grant Enfinger, Rajah Caruth, and Daniel Dye. McAnally-Hilgemann Racing, with drivers Christian Eckes and Chase Elliot. Rackley-W.A.R. Racing, with driver Matt DiBenedetto. And On Point Motorsports, with driver Ryan Vargas.

“We are excited about the new season, with a roster of teams only limited by the number of transmissions we could service,” said Harrah Enterprise Manager Mark Harrah. “We’re also taking on a few teams in the NASCAR® Craftsman Truck Series for 2023 as we continue our focus to be the main supplier of driveline components to teams in these two great national touring series.”

“We are also continuing to expand into the Trans-Am road racing series with transmissions running in the powerful Stevens-Miller and Silverhare Racing teams,” said Harrah. “Several wins in this growing series have us wanting to get more involved with that sport.”

The JASPER 4-Speed Transmission was used by 28 team/driver combinations in the NASCAR® Xfinity Series in 2022, including series champion Ty Gibbs and regular season champion AJ Allmendinger. These team/driver combinations accounted for 30 pole positions, 32 wins, 136 top-five finishes, and 269 top-ten finishes last season.



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