Alliant CUMMINS 6.7L Turbo Install Kit. Alliant Power is the nation’s leading distributor of aftermarket diesel engine fuel and air systems and engine components for light, medium, heavy duty and off highway vehicles and equipment. Our strong relationships with industry leading manufacturers make us the largest aftermarket distributor of the top diesel brands in the US. Offering 56+ different brands and 8,600+ SKUs. Beyond distribution, we also remanufacture diesel fuel systems and electronics, provide factory-authorized warranty testing and operate a state-of-the-art product development, service and training center that showcases our drive for continuous improvement in everything we do.