King MB 556HPN Big Block Chevy HP Series Narrow Main Bearings

King MB 556HPN BBC HP Series STD Narrow Main Bearings

Set$90.40

King Bearings developed the HP Series, featuring the Alecular bi-metal composite. The Alecular technology made to better resist extrusion & material migration under high load for short duration or medium load for long duration, particularly in applications such as drag racing, monster truck and tractor pull competitions.

  • Chevy 396-502 GEN IV, V, VI
  • Main Bearings are narrower than typical OE for crankshafts with large journal fillet radius
  • Standard Crank Size
  • Commonly use for applications requiring a harder than Babbitt top layer to better resist extrusion & material migration (drag racing, monster truck, tractor pull)
SKU: KNG-MB-556HPN Category: Tags: ,
Part NumberDescriptionSize
MB 556HPN
MB556HPN
MB-556-HPN		King Big Block Chevy 396-502 GEN IV, V, VI  HP Series Main Bearings, Race Alecular Bi-Metal, Narrow for Aftermarket CrankshaftsStandard Size
Weight1.425 lbs
Dimensions6.5 × 4 × 2.2 in

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