Land Rover Defender 90 4.0 Liter V8 Rimmer Performance Systems introduces its NEW Autorotor supercharger system for Land Rover Defender 90 vehicles equipped with 4.0 liter engines. This system is a direct bolt on product with no permanent modifications to your vehicle required. Mountain passes are no challange for the Autorotor system. The Autorotor supercharger system provides instant boost response, even from idle.
Power is smooth and controlable for off-roading.
Our system uses a bypass valve to equalize pressure in the intake manifold for idle, cruise and light throttle application. All components fit neatly under the hood, all stock accessories are retained. Installation should requires 5-8 hours. If you perform your own maintainence on your vehicle you have the skill required to install our supercharger system. The system is complete with all hardware, belt, hoses, and rising rate fuel pressure regulator.