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This Wagner Tuning cylinder head stud set is supplied as an OEM-style replacement for Audi S4 B9 engines, intended to secure the head with factory-compatible hardware. The kit supports proper clamping for head sealing during service or performance builds, offering a like-for-like fitment option for this specific Audi application.
Wagner Tuning Audi S4 B9 OEM Cylinder Head Stud Set
