IE Valve Spring & Retainer Kit For Audi C7/C7.5 S6, S7, RS7, & D4 S8 4.0TT

  The IE Performance Valve Spring & Titanium Retainer kit features optimized spring rates specifically designed for your Audi 4.0TT EA824 engine (C7/C7.5 S6, S7, RS7, & D4 S8). Engineered with exacting specifications to provide proper valve control preventing valve float in high-power and high-revving applications. LEADING FEATURES Protects against engine failure from valve float Safely increase your rev limit and power band Specialty nano-peened springs for increased fatigue strength In-house CNC machined titanium retainers Highest quality spring material available in the world Torture tested in-house for high-power reliability INCLUDED IN KIT 32 PRECISION WOUND INTAKE/EXHAUST VALVE SPRINGS 16 EXACT TOLERANCE TITANIUM INTAKE RETAINERS 16 EXACT TOLERANCE TITANIUM EXHAUST RETAINERS REV HIGH WITH CONFIDENCE Increasing your engine's power output often comes with modifications that require more RPMs to get the most out of it, such as larger turbochargers and race builds. Upgrading those components without changing the valve springs can leave you with a short power band or cause valve float and other significant damage. ONLY TRUST YOUR ENGINE TO THE BEST Unlike other inexpensive valve spring kits that adopt a one-size-fits-all approach, we take a completely different strategy. Our springs have been meticulously designed for precise valve control by experts who understand the unique valvetrain in the Audi C7 4.0TT cylinder heads. Be confident that you have the perfect match for your engine's needs, ensuring optimum valvetrain performance and durability. QUALITY MATERIALS Crafted from the finest spring wire in the world, our IE valve springs boast unmatched strength thanks to a patented multi-stage nano peening process that significantly increases fatigue strength, minimizes failure rates, and reduces wear. The precision-engineered titanium retainers feature an impeccable surface finish and stringent tolerance control, guaranteeing an extended lifespan. TECH SPECS Seat Pressure: 90lbs Open Pressure: 220lbs Spring Tension (Rate): 275lbs ENGINE FITMENT Audi C7/C7.5 S6 & S7 (2012-2018) Audi C7/C7.5 RS7 (2014-2018) Audi D4 S8 (2013-2018)