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Part number: KB-CR4541XP-X
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King Bearings Race connecting rod bearings (Honda (K20A3/F23A engines)

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Description

King Bearings Race connecting rod bearings.

These premium King Racing XP-Series Connecting Rod Bearings are engineered for high-load racing applications, including Drag Racing, Circle Track, and off-shore powerboats. Featuring the advanced pMaxBlack™ tri-metal lead bronze structure with a nano-scaled hardened Babbitt overlay, these bearings are designed to withstand extreme loads up to 10,200 PSI. They are the ultimate choice for high-performance engines utilizing steel crankshafts where maximum reliability and load capacity are critical.

Features:

  • Equipped with the advanced pMaxBlack™ overlay for superior load capacity
  • Constructed from a premium tri-metal lead bronze layered material with hardened steel backs
  • Features a nano-scaled hardening process of the Babbitt overlay to withstand up to 10,200 PSI of load
  • Engineered with identical halves for precise fitment and consistent clearance
  • Specifically optimized for high-performance racing applications utilizing steel crankshafts

Specifications:

  • Available Sizes: STD, HX (extra oil clearance), +0.025mm, +0.026mm, +0.25mm, and +0.50mm
  • Oil Clearance: Standard
  • Material: Tri-Metal with Hardened Steel Backs
  • Min. Standard Shaft Size: 1.7707" / 44.98mm
  • Max. Standard Shaft Size: 1.7717" / 45.00mm
  • Min. Standard Tunnel Size: 1.8898" / 48.00mm
  • Max. Standard Tunnel Size: 1.8907" / 48.02mm
  • Max. Wall at Crown: 0.0592" / 1.504mm
  • Max. Overall Length: 0.610" / 15.5mm
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