King Racing Con Rod Bearing Set 0.50mm F23 K20A3


  • Part No.: CR4541XP0.5
  • Engine: F23A1 F23Z5 K20A3 F23A7
  • Size: +0.50 mm (Oversize)
  • Bearing type: Con Rod 

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King Racing – New design for Honda applications


As race engines evolve, and become more and more powerful, the need for engine bearings that can withstand the increasingly higher load capacity on these higher power engines is needed. Focusing on Sport compact range, King is offering newely designed items for Honda including both horizontal Honda engines (B series Turbo or NA) and transverse engine (S2000 Turbo or supercharger) Scroll down for the full list of Honda available items

Honda B Series 1000 HP -Taken from

Honda B Series 1000 HP
Taken from

King’s Unique Tecnologies

pMAX Black™ – This unique tri-metal bearing structure was developed to meet the ongoing demand for increased engine bearing load capacity. The intermediate layer uses a copper based alloy with 4.5% tin for added strength that is the strongest in the industry, at 115 HV. This gives the bearing a load capacity of 17,000 psi in the intermediate! The overlay is also 24% stronger because of a 5% copper alloy with a fatigue resistance of 10,200 psi, 17% more than a standard bearing. King’s SecureBond™ etching process also improves the multi-layer adhesion and structural integrity of the bearing.

Watch pMax Black™ video

U-Groove™ – By using a 90° groove as opposed to a chamfered groove, the effective surface area of the bearing is increased. That in turn, increases the bearing load capacity and gives a better load distribution across the surface of the bearing.

Watch U-Groove™ video

Bull’s Eye Tolerance™ – King’s standard for bearing thickness consistency has set new standards in the industry.  With King bearings, there is no need to purchase multiple sets of bearings to get the right clearance, no need to grind cranks, and no need to adjust housing diameter.

Watch Bull’s Eye Tolerance™ video

ElliptiX™ – This newly designed oil slot improves oil ingress without affecting the bearing’s surface or compromising the load capacity.

Watch ElliptiX™ video

RadiaLock™ – To prevent spun bearings, King has developed a unique process to customize each bearing’s crush height to meet its specific performance demands.

Watch RadiaLock™ video

EccentriX™ – By using elasto-hydrodynamic analysis, an optimized eccentricity value for each bearing is reached and the bearing is custom designed using this value to meet specific performance requirements. This process allows a more stable hydrodynamic lubrication regime is reached.

Watch EccentriX™ video

With XP series bearings now available for popular sport compact engines, there’s no reason to look elsewhere when building a performance engine. 


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King Racing Con Rod Bearing Set 0.50mm F23 K20A3

King Racing Con Rod Bearing Set 0.50mm F23 K20A3

  • Part No.: CR4541XP0.5
  • Engine: F23A1 F23Z5 K20A3 F23A7
  • Size: +0.50 mm (Oversize)
  • Bearing type: Con Rod