jasper transmission option,

  • Six-speed GM 6L80 transmission expanded options available!

    We are proud to announce there are more options on the popular GM 6L80 transmission option that we offer here at Dennis Road Automotive in Dallas through our partner JASPER Engines & Transmissions.  Since its release in 2011, the JASPER re-manufactured GM 6L80 has been a popular transmission for replacement and performance enhancement purposes.  Now, the lineup of compatible engine replacement vehicles has been greatly expanded, to include a much larger list of applications. The GM 6L80 is currently available for these additional vehicles: