Integrated Engineering Valve Spring & Retainer Kit | VW · Audi | 2.0L Turbo I4 [FSI] · 2.0L Turbo I4 [TSI] · 2.0L Turbo I4 [GEN 3] · 2.0L Turbo I4 [GEN 4]

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Integrated Engineering Valve Spring & Retainer Kit | VW · Audi | 2.0L Turbo I4 [FSI] · 2.0L Turbo I4 [TSI] · 2.0L Turbo I4 [GEN 3] · 2.0L Turbo I4 [GEN 4]This high quality IE Valve Spring & Titanium Retainer kit features spring rates optimized to match your 2. 0T FSI TSI specifications and provide proper valve control preventing valve float in high power and high revving applications. 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, tuned intake manifolds, and high output software tunes. Upgrading those

or even complete valve failure if the guides have become excessively worn

including the turbocharger spool

APR Recommends upgrading the intercooler hoses as well for maximum performance and reliability

5 S4 is designed to a fault to keep engine rpm extremely low in drive

The heat shield is powder coated for a long lasting finish

The turbo inlet pipe is a continuous 80mm pipe that connects to the turbocharger via a port-matching silicone coupler

Engineered to operate on entirely stock hardware or with an upgraded intake and intercoolers for the most performance

It has the correct rotor offset

Military grade durability

vacuum system

Equipping your MK5 or MK6 2

Brushed-finished straight-through sound-absorption (Valved)