High-performance Wagner Tuning Upgrade Head Stud Set designed for Audi 3.0 TFSI EA839 V6 engines. This M11 stud set is engineered to provide superior clamping force compared to OEM stretch bolts, ensuring cylinder head stability under high boost and extreme thermal loads. Featuring a burnished finish for enhanced corrosion resistance and durability. Ideal for tuned vehicles and motorsport applications. Kit Contents: - 16 x Wagner Tuning M11 High-Strength Head Studs (P/N: WGT-HS-M11-B) - 16 x High-Tensile Washers - 16 x 12-Point Fastening Nuts - 1 x Assembly Lubricant