Gen IV SureFitTM System Features: - Fly-By-Wire fully electronic servo controls with no cables or capillary tube to route. - Infinite “just right temperature” air blending. - Infinite blower fan speed adjustment. - High-volume dehumidified defrost. - Separate high-capacity aluminum plate and fin cooling coil. - Copper/brass CuproBrazeTM parallel flow heater coil. - Mounts behind the dash. - Kit includes 3-knob controls. - Flat steel firewall cover panel. - Replacement molded glove box (reduced capacity)