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Product Summary

305, 350

  • Mains and rods are narrowed for large radius crankshafts
  • Features an enhanced tri-metal copper lead construction with nickel barrier
  • Gives you a 15% - 30% greater load capacity than traditional bearings
  • A greater rod bearing height improves bearing-to-bore contact, heat transfer, and reduces spin potential at high RPM
  • The unique SecureBond adhesion process for superior stability between the top and intermediate layers

Comes as a Kit

Key Specs

BrandKing Bearings

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Details

Kit Includes:

  • (1) King CR 807XPNSTDX XP SBC Narrowed Rod Bearings, Set
  • (1) King MB 557XP XP Series Chevy 350 Large Journal Main Bearings, Set

King CR 807XPNSTDX XP SBC Narrowed Rod Bearings, Set

  • Enhanced tri-metal copper lead construction with nickel barrier and SecureBond adhesion 
  • Unique SecureBond adhesion process for superior stability between the top and intermediate layers
  • 15% - 30% greater load capacity than traditional bearings
  • Mains and rods are narrowed for large radius crankshafts
  • Greater rod bearing height improves bearing-to-bore contact/heat transfer and reduces spin potential at high RPM
  • 0.0005" metallurgically enhanced and hardened performance overlay withstands greater loads and better resists surface fatigue
  • Mains are 1/2 grooved for uncompromised lower shell load capacity
  • X001 option will give .001" extra clearance

King MB 557XP XP Series Chevy 350 Large Journal Main Bearings, Set

  • Enhanced tri-metal copper lead construction with nickel barrier and SecureBond adhesion 
  • Unique SecureBond adhesion process for superior stability between the top and intermediate layers
  • 15% - 30% greater load capacity than traditional bearings
  • Mains and rods are narrowed for large radius crankshafts
  • Greater rod bearing height improves bearing-to-bore contact/heat transfer and reduces spin potential at high RPM
  • 0.0005" metallurgically enhanced and hardened performance overlay withstands greater loads and better resists surface fatigue
  • Mains are 1/2 grooved for uncompromised lower shell load capacity

Specifications

KEY SPECS
BrandKing Bearings
GENERAL
Sold in QuantityKit