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.

King MB 556XPN 001 BBC XP Series .001″ Undersize Narrow Main Bearings

Set$94.96

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.

  • Chevy 396-502 GEN IV, V, VI
  • Tri-Metal Copper-lead with a Hardened Overlay
  • Main Bearings are narrower than typical OE for crankshafts with large journal fillet radius
  • .001 Undersize for cranks that have been turned down
SKU: KNG-MB-556XPN-001 Category: Tags: ,
Part NumberDescriptionSize
MB 556XPN 001
MB556XPN001
MB-556-XPN-001		King Big Block Chevy 396-502 GEN IV, V, VI  XP Series Main Bearings, Race Tri-Metal Copper-Lead Nickel Coating, Narrow for Aftermarket Crankshafts.001 Undersize
Weight1.425 lbs
Dimensions6.5 × 4 × 2.2 in

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