MB-556-XPNC KING Main Bearings

King MB 556XPNC BBC XP Series Coated STD Narrow Main Bearings

Set$131.13

King Bearings developed the XP Series, featuring Tri-Metal Copper-lead with a Hardened Overlay. For circle track, drag racing, off-shore, and other applications using steel crankshafts with high load/long duration endurance.

XPC Series is King Bearings‘ premium race bearings, featuring the pMaxBlack™ overlay that increases hardness and topped by the innovative pMaxKote™ ceramic nano-composite polymer coating, that enhances wear & seizure resistance without altering the bearing’s original wall thickness dimensions.

  • Chevy 396-502 GEN IV, V, VI
  • Special Race Polymer-pMaxBlack Coating
  • Tri-Metal Copper-lead with a Hardened Overlay
  • Main Bearings are narrower than typical OE for crankshafts with large journal fillet radius
  • Standard Crank Size
SKU: KNG-MB-556XPNC Category: Tags: ,
Part NumberDescriptionSize
MB 556XPNC
MB556XPNC
MB-556-XPNC		King Big Block Chevy 396-502 GEN IV, V, VI  XP Series Main Bearings, Race Tri-Metal Copper-Lead Nickel Coating, pMaxBlack™ Coating, Narrow for Aftermarket CrankshaftsStandard Size
Weight1.425 lbs
Dimensions6.5 × 4 × 2.2 in

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