Riviera Superchargers can keep your Buick looking good. Superchargers add great performance. Durable parts keep your Buick going, check out our Riviera Superchargers. For more horsepower and torque, get a Supercharger. A new Riviera Superchargers will last long. Superchargers are great add-ons for cars and trucks that need extra towing or passing power. Superchargers are a fantastic addition to your ride.