Performance Street Admiral Motor / Alltrax Controller Package for 2010 and newer 48 volt EZ GO TXT (AKA T48) carts. Speeds up to 21 MPH (stock tire size). Up to 10% increase in torque. Includes High speed Admiral motor (MOT-B2), 400 Amp Alltrax controller (CON-XCT400TXT48) which includes a universal mounting adapter, 1 Amp Diode (CON-030), and HD Solenoid (SOL-1021). Save money and take the guess work out of putting together the perfect package. Also recommend 4 gauge Battery Cable set (BAT-1027A) and mounting kit to mount Alltrax controller (CON-XCTUM-EZ). Great deal on a group of great products.