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] we were able to increase

we were able to increase HPFP output by 50%

retaining complete manual control over the shift points when you want it

Fine tune and dial in camber to combat body roll and suspension deflection

Turn your sporty Audi S4 or S5 into an all-out street monster with IE's complete Dual Pulley ratio kit for B8/B8

SEIBON TW-Style Carbon Fiber Front Lip

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] we were able to increaseIE 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