King BMW N57 D30 A/B/C / N57N / N57S (Size STD) Main Bearing Set
Manufacturer: King Bearings
Reference Number: MB7781SM
Notes: Aluminum alloy bonding layer. The strongest aluminum based material. The alloy is strengthened by addition of Manganese and Chromium (Mn, Cr), Used for high load applications (bimetal (strengthened aluminum)).











