Engine, Large with Black Center (43121 / x577) is a LEGO piece that appeared in the Air Blazers set which was released in April 2003.
This part currently has a value of $0.94 based on average sale price over the last 6 months.
Name: Engine, Large with Black Center (43121 / x577)
Appears in: 1 set
Bricklink code: 43121c02
Confidence: Low
Current value: $0.94