Gen 4 Supercharger Upgrade

* Allow 5-6 weeks for orders to be shipped.  Supercharger systems are made to order. Improved efficiency and reduced Intake Air Temperatures
Weistec Stage 3 Gen 4 Supercharger Upgrade is only for those upgrading their Stage 3 Gen 2/3 unit to a Stage 3 Gen 4 unit.  All supporting modifications/part are not included.  This is just a replacement supercharger unit. 
 *Product may not be emissions compliant.  Check local laws prior to installation.  
Key Features:
3. 0L Twin-Screw Compressor Module Why Twin-Screw? 
Updated Rotor Design
Updated Rotor Housing
More Power
All New 3/5 Rotors
New Updated Rotor Profile
Increased Efficiency
Higher RPM
Higher Pressure Ratios
Increased Rotor Filling
Decreased Turbulence
Reduced IAT's
 *Power and IAT's will vary depending on operating conditions, other modifications, and weather conditions.