Front struts Prototype double bellows air over struts with Air Lift proprietary upper mount and bracket design. Rear bags Prototype 2B5 double bellows air spring with weld on upper brackets and billet aluminum lower mounting nut. Control system: Air Lift "Autopilot" Full digital, four corner control system. Auto leveling function. 3/8” air lines. 5 gallon tank. Compressor: Viar 380c heavy duty compressor with integral check valve. TRD Big Brake Kit 4-piston caliper (ST-41 caliper designed specifically for the 2011 Scion tC) 340x25mm, one-piece 16” AeroRotor Street performance brake pads DOT-compliant stainless steel brake lines… Motul RBF 600 DOT 4 racing brake fluid