MB 557XP XP Series King Main Bearings SBC Large Journal

King MB 509XP SBC w/400 Mains XP Series STD Main Bearings

Set$74.00

King Bearings Tri-metal, enhanced copper lead bearings have nickel barrier plating to withstand high loads and extreme RPM. Multi-layer adhesion process improves stability between top and intermediate layers. Large, chamfered oil holes, 1/2 grooving, and a narrow design make Xtreme main bearings compatible with large radii crankshafts.

  • Small Block Chevy Main Bearing Set For GM 400 Cranks
  • Mains are 1/2 grooved for uncompromised lower shell load capacity
  • Standard Crank Size
  • Tri-metal copper-lead nickel
SKU: KNG-MB-509XP Category: Tags: ,
Part NumberDescriptionSize
MB 509XP
MB509XP
MB-509-XP		King Small Block Chevy 400 Mains Crank XP Series Main Bearings, Tri-metal copper-lead nickel Main Bearing SetStandard Size
Weight1.55 lbs
Dimensions11.5 × 4.5 × 2.4 in

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