Integrated Engineering (IE) 4.0t Valve Spring & Retainer Kit

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. Upgradi