Unleash the true potential of your 1GR-FE 4.0L V6 with the Magnuson Roller Rocker Supercharger System! At around 6 PSI the kit gives customers a 30% increase over stock horsepower and a 28% increase in torque. The supercharger system is a positive displacement, roots style kit, utilizing Eaton’s lightweight TVS rotors. Cast and assembled as a single, OEM-style-manifold and rotating group housing, the unit is quiet, compact, attractive, easy to install, and requires little to no extra maintenance.
CARB EO# D-488-64
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