BMW M20 - M50 - M52 - M54 S50 - S52 -S54

KING RACING competition / motorsport or high performance main bearing for KING RACING BMW E30 M20, E36 M50 & M52, E36 M3 S50B30 & S50B32, E46 M54, E46 M3 S54B32. 

KING Racing manufacturer main and conrod bearing,  have been developed to withstand greater workload and performance on all types of powered engines.
King Racing was developed to meet these challenges through technologically advanded geometrical features and unique metal structure. 

Trimetal structure for more stronger overlay and more fatigue resistance. 
XP serie high tem, more durability and XPC same add treatment anti-seizure.  

Available in standard and oversized sizes: + 0.025 / 0.25 / 0.50.
STD quality, tolerance 0 ideal for street and competition vehicles
STDX quality, tolerance -0.025mm ideal for racing engines, allows to slightly increase the oil pressure, use higher density oil and the motor rotates with less resistance.