HP Tuners VCM Suite MPVI4 Credit Pro Package (+8 Universal Credits)
Fits 2022.5-2024 5.3L V8
We earn a commission if you buy through links on this page. Prices are the same for you. Full disclosure
The MPVI4 is the interface that connects a laptop to the truck so you can read and rewrite the engine calibration yourself. This package bundles the device with eight universal credits, which is what HP Tuners charges to license each vehicle you tune.
why this one — This is a tuner's toolkit rather than a finished tune: you get full control of the calibration, but you either need to know what you are changing or pay someone to send you a file. The 8 credit tier is what the 2022.5 and newer 5.3L computers require, while 2019-2022 trucks use a cheaper 6 credit tier, so check your year before ordering.
MPVI4 is a flash/logging interface, not a calibration - actual power depends on the tune loaded. Neither hptuners.com's MPVI4 page nor the Livernois listing makes a horsepower/torque claim of its own.
Questions about this category
No published gain figure for this part, and nothing here is a guarantee. Price is a list price and can lag the retailer; confirm at checkout. See our affiliate disclosure.