Description
Valve Springs & Retainers
Larger turbos and camshafts allow for a larger powerband and higher RPM limits putting more strain on the valvetrain components. Upgrading the valve springs and retainers to match is highly recommended. For the best results in optimum valvetrain harmonics, safe revving, and long cylinder head life install your new camshaft along with an IE 1.8T 20V Valve Spring & Retainer Kit.
Why Should You Upgrade Camshafts?
The factory-equipped camshafts in your VW/Audi 1.8T 20V engine are tuned for the small stock turbocharger. Stock cams are designed for low boost pressures in low RPM ranges, which is at odds with aftermarket larger turbos that run higher boost pressures at higher RPMs. Matching the valve lift to the turbo’s most efficient range with camshafts sequences your valvetrain to your turbo and unlocks instant power gains when setup correctly.
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