The Weistec Engineering 722.9 Bulletproof Build Package is a complete set of parts needed for building the 7 speed 722.9 transmission. The most important part of the package is the Weistec 722.9 Clutch Packs which are also used in our Bulletproof Transmission builds. All clutches feature the new and improved Weistec Performance Clutch Material which was developed over two years of rigorous street and track testing with high power Weistec vehicles. The new clutch material has a much higher coefficient of friction as well as better resistance to heat compared to the previous clutch material. Also included is a complete OEM gasket, seal, and hardware set.
This is the perfect option to build or rebuild the 722.9 transmission in an AMG vehicle to withstand far greater levels of torque than the factory transmission is capable of with minimal down time.
Factory Mercedes transmission fluid required (filled per Mercedes Specified Procedure) upon installation. Re-adapting the transmission after installation is required to ensure proper operation. It is recommended that only an experienced transmission builder performs the installation.
Increased Torque Capacity
Weistec Performance Clutch Material
Increased Number of Discs per Clutch Pack
Redesigned Clutch Piston Geometry
Increased Frictional Surface Area
Increased Clutch Material
New OEM Gaskets and Seals
New OEM Fasteners and Hardware
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