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EDT+ prevents gum and sludge formation
Freedom Series Cummins Performance cylinder heads
Blind head bolt holes don’t go through to water jacket
Although similar in concept
Patented ball flange design
2017-2023 GM Duramax L5P HP Tuners MPVI Custom Tuning 1989 - 1998 Dodge Cooling Systems EDT+ prevents gum and sludge2017 2023 GM Duramax L5P HP Tuners MPVI Custom Tuning HP Tuners exclusively presents our L5P Modified ECM Purchase, giving you the power to tune your 2017+ Chevrolet Silverado GMC Sierra 2500 3500 6. 6L Duramax. You now also have the option to either purchase an HP Tuners Modified ECM or send us your original ECM and we will exchange it for a HP Tuners modified one. Both options give you full access to calibrate, log and scan via the OBD2 port with