![Integrated Engineering Performance Valve Guide | VW · Audi | 2.0L Turbo I4 [FSI] · 2.0L Turbo I4 [TSI] · 2.5L I5 E65 · E66 745i 4.4L V8 [N62] Interlock core tough flex section](https://cdn.shopify.com/s/files/1/0635/0032/1015/files/IntegratedEngineeringPerformanceValveGuideVW_Audi2.0LTurboI4_FSI_2.0LTurboI4_TSI_2.5LI5.png?v=1685055236)
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Interlock core tough flex section allows engine movement without stress cracking
retaining complete manual control over the shift points when you want it
Turn your sporty Audi S4 or S5 into an all-out street monster with IE's complete Dual Pulley ratio kit for B8/B8
Technical specs: 267 Deg Advertised
Fine tune and dial in camber to combat body roll and suspension deflection
Integrated Engineering Performance Valve Guide | VW · Audi | 2.0L Turbo I4 [FSI] · 2.0L Turbo I4 [TSI] · 2.5L I5 E65 · E66 745i 4.4L V8 [N62] Interlock core tough flex sectionIE performance valve guides directly replace the OE guides providing longevity, reliability, and performance for your cylinder head build. If your cylinder head has had the valve guides replaced previously, it is recommended to confirm the inside diameter of the holes in the cylinder head before installing new guides. In some cases, the holes in the head have worn, requiring valve guides with larger outside diameters to be used. It is common practice
