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Truck > Suspensions > Videos > PRIMAAX EX




PRIMAAX® EX is a premium, heavy-duty air suspension designed specifically for the rigorous demands of vocational, severe-service and heavy-haul applications. PRIMAAX EX provides the same benefits as the original PRIMAAX system with additional features designed to increase durability, reliability and handling characteristics. The optimized geometry features a new frame hanger and torque rod configuration that provides increased roll stiffness and reduced roll steer for improved handling. Suspension-induced driveline vibration is significantly reduced with PRIMAAX EX compared to competitive trailing-arm air suspensions.