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Protune / Prostock Engine Control Software

The NEW ProTune II 3.5 software is compatible with 64-bit and 32-bit operating systems (Windows® XP® SP2/Vista®/ 7 / 8). It offers two levels for tuning your S&S VFI (Variable Fuel Injection) Modules, basic level for general tuning and advanced level for detailed tuning. The requirements of a specific tuning job and the tuner's level of skill should determine which level is used.
ProTune II 3.5 CLVFI

ProTune II Manual

PT2 Maps/Calibrations

We have combined tune-files with their appropriate ECU code into one file to create what we have termed Box files. When utilizing the new Box files (calibration files with a .box extension), ProTune II version 2.4 or later must be used. Box files allow the user to load one file to their ECU, eliminating the need to manually match a tune-file with an ECU code


This ECU code and Tune Files for current ProStock motors.
: The Tune Files must be used with this ECU code. The *.ec2 file is to be used with the original ProTune software.

Customer Tune Files

If you are looking for more tune files, check out files that our customers have uploaded.


This is a link the older TuneFiles and ECU code for customers that need to revert to these versions of software.
Note: These Tune Files must be used with the older versions of software contained in this Archive Section. Archived Tune Files will be periodically updated to work with the new ECU code

Serial and USB Drivers

FTDI 32 Bit

FTDI 64 Bit

Prolific Vista 7-2007

Prolific 7(64) 2009

Prolific XP 7-2005

Protune 2 USB Win 8 Certified Driver