King Engine Bearings MB5566XP0.5 Oversize XP-Series Main Bearing Set

The King Engine Bearings MB5566XP0.5 is a high-performance XP-Series main bearing set designed for Audi and Volkswagen engines with ABL, ADY, AHH, and AKS engine codes. This 0.5mm oversize bearing set is engineered for racing applications where increased clearances are required due to crankshaft machining or wear.

XP-Series Race Construction:

• Enhanced tri-metal construction with layered copper-lead material
• Nickel plate barrier with lead/tin/copper Babbitt overlay on steel backing
• Superior stability and durability for high-load racing applications
• Precision wall thickness tolerances of +/- 0.0001 inches
• Narrowed design for large-radius crankshafts

Technical Specifications:

• Housing bore: 56.909 - 59.017mm
• Bearing length: 18.36mm
• Maximum thickness: 2.499mm
• Crankshaft journal: 53.957 - 53.978mm
• Complete main bearing set (5 pairs)

Performance Features:

• Enlarged, chamfered oil holes for improved lubrication flow
• High load capacity for extreme racing conditions
• Consistent and reliable performance under stress
• Designed specifically for 2.0L 16-valve engines

King Engine Bearings has specialized exclusively in engine bearings since 1960, maintaining rigorous quality control throughout the manufacturing process. These XP-Series bearings are race-only components proven to handle the extreme demands of high-performance engines.