King MB 557XPC Small Block Chevy Coated Main Bearings

King MB 557XPC SBC 350 Large Journal XP Series pMaxBlack Coated Standard Clearance Main Bearings

Set$142.20

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.

Features 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.

  • Small Block Chevy Large Journal Main Bearing Set For GM  302, 307, 327, 350
  • Mains are 1/2 grooved for uncompromised lower shell load capacity
  • Standard Clearance
  • pMaxBlack™ ceramic nano-composite polymer coating
  • Tri-metal copper-lead nickel
SKU: KNG-MB-557XPC Category: Tags: , Brand:
Part Number Description Size
MB 557XPC
MB557XPC
MB-557-XPC		 King Small Block Chevy 350 Large Journal Crank XP Series Main Bearings, Tri-metal copper-lead nickel Main Bearing Set for GM 262, 267, 302, 307, 327, 350 with pMaxBlack Coating Standard Clearance
Weight 1.40 lbs
Dimensions 11.6 × 4.5 × 2.3 in

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