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Tech: When Size Matters

QA1 gives us insight on which driveshafts to choose for your dirt racing application.

Which Diameter Driveshaft Should I Use?
Changing track conditions don’t have to affect your performance. That’s why QA1 now offers two carbon fiber driveshaft options ideal for different conditions for super late models, limited late models, and Wissota and IMCA dirt late models. While both provide unmatched performance on any track, they each have their unique features designed to provide extra benefits in specific conditions. Our 2.25″ driveshaft utilizes TractionTwist™ technology to get better traction on slick tracks, while the 3.2″ driveshaft takes advantage of rough conditions, providing extra alignment to avoid binding. Get an even higher edge up on the competition by using both and switching them out based on track conditions.

QA1_2.25_Driveshaft
2.25″ Dirt Late Model Carbon Fiber Driveshaft

  • First 2.25″ carbon fiber driveshaft designed for dirt late models
  • TractionTwist™ technology provides more twist under load
  • Evens out RPM spikes for smoother application of power to the rear tires
  • Made with 3M™ Matrix Resin for improved abrasion resistance, longevity and higher strength
  • Spicer Life Series U-joints come standard for their durability and high torque capacity and are sealed for maximum strength and no maintenance
  • Precision balanced
  • Track tested and proven
  • Lighter, stiffer, stronger and safer than steel or aluminum driveshafts
  • Available in a variety of lengths and with or without a slip yoke
  • Made in the USA

QA1 3.2 driveshaft
3.2″ Dirt Late Model Carbon Fiber Driveshaft

  • Prevents binding near the pinion yoke
  • More rear suspension articulation
  • More clearance under deceleration – especially critical when the car is “on the bars” during corner entry
  • Made with 3M™ Matrix Resin for improved abrasion resistance, longevity and higher strength
  • Spicer Life Series U-joints come standard for their durability and high torque capacity and are sealed for maximum strength and no maintenance
  • Precision balanced
  • Track tested and proven
  • Lighter, stiffer, stronger and safer than steel or aluminum driveshafts
  • Available in a variety of lengths and with or without a slip yoke
  • Made in the USA

For more information, please visit www.QA1.net.


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