GDP 2017-2019 6.6L Duramax Custom T87 Transmission Tuning Package HP Tuners Tuning Credits:Add Credits (4) Riveted piston ensures alignment &

Riveted piston ensures alignment & eliminates vibration or embrittlement from welding

Provide superior wear protection

so for customers in severe duty conditions such as farming and off-road

: NDTSF16100G

By simply turning the dial left or right until it clicks

GDP 2017-2019 6.6L Duramax Custom T87 Transmission Tuning Package HP Tuners Tuning Credits:Add Credits (4) Riveted piston ensures alignment &GDP 2017 2019 6. 6L Duramax Custom T87 Transmission Tuning Package Package Includes: HP Tuners MPVI4 (Optional) 4 HP Tuners Tuning Credits (Optional) GDP Transmission Tune Note An HP Tuners MPVI4 & 4 Tuning credits are required to load the transmission tune into the vehicle