The Jasper Engines & Transmissions Driveline Division will supply 4-Speed Transmissions to Stewart-Haas Racing for the 2016 NASCAR® Sprint Cup Series season.

JASPER 3 YEAR/100,000 MILE WARRANTY

JASPER can offer this beefy warranty on our remanufactured automatic and standard transmissions because every one of them goes through our extensive "Do It Right" process that ensures worry-free operation.  Our shop chooses JASPER because our customers deserve not only the best product and service we can provide but also the peace of mind that comes with high quality - dependable products like JASPER transmissions, engines, and differentials.  

The staff of JASPER Authentic Custom Drivetrains, a division of Jasper Engines and Transmissions, understands the pride and satisfaction that our customers have in the ownership of a classic vehicle.

We show that understanding in our attention to detail, the quality of our work and in making sure that you will be satisfied with the experience you have with us – from the interaction with our staff to your completed transmission. We offer custom “days gone by” remanufactured transmissions for your special project. The transmissions we can build for you include: Borger Warner Three Band, C4s, Dual Range, Dynaflow, Ford-O-Matics, Hydramatics, Jetaways, Jensens, Roto Hydramatics, Powerglides – cast and aluminum, PowerFlights, and more.

If you are looking to improve the performance of your vehicle, look no further.  JASPER  Performance engines are the choice that some of your favorite NASCAR drivers drivers have under the hood.  Our engines will offer you the performance and dependability you are looking for! Engines that are ideal for street-rods, Corvettes, Camaros and other performance vehicles. You'll be amazed at what you can get for your money with a JASPER performance engine installed right here in our shop and backed by a warranty that is nationwide!

Download the brochure and discover the true definition of performance! Click Here

JASPER Engines are built in the US and proudly installed by automotive shops all over the United States.  This engine specifically was built by JASPER Engines in 2008 and has ran for more than 523,000 miles!!  Over 1/2 Million Miles!  Not many can say that.  -  Photo by Whitey's Truck Center in Little Rock Arkansas