DeutschTuning proudly offers H&R Sport Springs Porsche 911 (991) Turbo/Turbo S. The Porsche 991 Turbo | Turbo S is the latest addition to the legendary 911 lineup. Equipped with a twin turbocharged 3.8L this new addition builds upon everything you loved about the previous Porsche 911 models and provides you with new features inlcuding the improved seven-speed Porsche Doppelkupplung (PDK) dual clutch transmission. H&R has released their Sport Spring lowering kit to help you get the most from your Porsche 911 Turbo | Turbo S. H&R Sport Springs lower the vehicle s center of gravity and reduce body roll for better handling. All H&R springs are crafted from a special (hf) 54SiCr6 spring steel to ensure premium quality and performance. H&R Springs are also shot-peened to increase their life by more than 200% and all production is completed in-house so product quality is ensured. Each spring is 100% tested before leaving H&R s ISO9001 certified production facility in Germany. H&R Sport Springs feature a progressive spring rate design to provide superb ride quality and comfort. Lower Center of Gravity. High Performance Handling. Front Lowering: 1.1 inches. Rear Lowering: 1.1 inches. Works with PASM (Porsche Active Suspension Management)