9-3 (9440) L4-2.0L Turbo (2007)
The pistons for B207E/B207L/B207R only have one class
The cylinders in B207E/B207L/B207R only have one class
The pistons for B207E/B207L/B207R only have one class
The cylinders in B207E/B207L/B207R only have one class