The Ferrea Competition Plus +1mm intake valve set for Audi 1.8T 20V and 2.7T 30V engines. These intake valves measure 27.9 mm diameter with a 5.97 mm stem, a 24° seat angle and are supplied +1 mm with triple-groove stems; sold as a set of twelve. Use this set for compatible Audi 1.8T 20V or 2.7T 30V intake valvetrain replacement where +1 mm sizing is required.
Ferrea Audi 1.8T 20V/2.7T 30V 27.9mm 5.97mm 24 Deg S-Flo +1mm Trip Grv Comp Plus Int Valve-Set of 12