BMW E30 M3 S14B20 - S14B23 - S14B25

KING RACING competition / motorsport or high performance conrod bearing for BMW M3 E30 S14B23 - S14B25 y E30 320is.

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.  

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.