Supertech valve spring and titanium retainer kit for Audi EA837 3.0T supercharged and EA839 2.9T/3.0T twin-turbo engines. Allows up to 8,000 rpm (briefly 8,500 rpm on hydraulic lifters). Complete set of 24 springs and 24 retainers.
Suspension lift kit providing approx. +33 mm of ground clearance at the front and +15 mm at the rear, for MQB and MQB EVO platforms. Ideal for Alltrack-type vehicles lacking factory ground clearance.