We are proud to announce there are more options on the popular GM 6L80 transmission option that we offer here at Mack's Auto Repair, LLC in Harahan 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: