Upgrade your Stage 1 or Stage 2 Weistec Supercharger system to our Stage 3 system with ease.
Upgrading is made easy with all the parts needed to convert you to our most powerful system for your M156 equipped AMG.
One all in one Kit
3.0L Twin Screw Compressor Upgrade
Complete 8-Rib Belt Upgrade
Complete Fuel Injector and Harness Upgrade
Weistec Engineering Stage 3 Supercharger System ECU Reflash
MANUFACTURER WEISTEC STREET LEGAL IN ALL THE US STATES NO ENGINE FAMILY M156 STOCK HORSEPOWER 637 STOCK TORQUE 560