JASPER announce an expansion to the current GM 6L80 Transmission line. Originally released in April 2011, this 6-speed transmission is now available on exchange for additional applications.
2018 GMC Yukon XL Denali with 10-Speed
General Motors has begun rolling out its 10-speed automatic transmission with the 2018 GMC Yukon XL Denali, which results in a silkier drive for this large SUV.