Replacement Middle Wastegate Spring. Black, 12.6 PSI (0.87 bar).

Spring Colour: Black

Wastegate:

AF9552-1000: 38mm, 12.6 PSI (0.87 BAR)
AF9552-1001: 44mm, 8.2 PSI (0.52 BAR)
AF9552-1003: 60mm, N/A