Action Clutch 70-77 Porsche 911 2.2L/2.4L/2.7L Steel FlywheelDesigned and engineered in the USA and offer a weight reduction of up to 60%. Action Clutch lightweight steel flywheels are perfect for improved throttle response, quicker shifting and reduced clutch wear. We ensure not to go too light while still delivering a major weight reduction. ENGINEERED FOR BOTH STREET AND RACE APPLICATIONSThis Part Fits: Year Make Model Submodel 1974 Porsche 911 Base 1974 1975 Porsche 911 Carrera 1970 1971 Porsche 911 E 1970