Supertech exhaust valve seal for 6mm valve stem.
For:
Opel / Vauxhall - 2.0 16V (Z20LET/LEH)
Audi / VW - 1.8T 2.4 2.7T 2.8 3.0 (5V/cyl.)
BMW - M42, S42, M50, M52, M54, S50 (USA), S52 (USA), S54

Supertech intake valve seal for 6mm valve stem.
For:
Opel / Vauxhall - 2.0 16V (Z20LET/LEH)
Audi / VW - 1.8T 2.4 2.7T 2.8 3.0 (5V/cyl.)
BMW - M42, S42, M50, M52, M54, S50 (USA), S52 (USA), S54