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King Engine Bearings MB556XPN020X XP-Series Main Bearing Set Big Block Chevy .020 Oversize

(1990-1993 Chevrolet C1500 454 SS; 1966 Chevrolet Chevelle Super Sport 396; 1967-1968 Chevrolet Chevelle SS 396; 1968-1969 Chevrolet El Camino SS + 1 more model)

Manufacturer

Picture for manufacturer King Engine Bearings

Part Number

MB556XPN020X
5 reviews
Sale Price

$139.34

Estimated ship date Thursday, December 03

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Product Details

The King Engine Bearings MB556XPN020X is an XP-Series main bearing set designed for big block Chevrolet engines ranging from 369 to 502 cubic inches (Gen IV, V, and VI). This precision-engineered bearing set features .020 inch oversize dimensions with extra oil clearance for high-performance racing applications.

Advanced Tri-Metal Construction:

  • Enhanced tri-metal design with layered copper lead construction
  • Nickel plate barrier with lead/tin/copper Babbitt overlay on steel backing
  • Superior stability and durability through advanced adhesion process
  • Exceptional wall thickness tolerances of +/- .0001 inch

Performance Features:

  • Narrowed design for large radii crankshafts
  • Enlarged, chamfered oil holes for improved oiling performance
  • Extra oil clearance (X suffix) for high-performance applications
  • High load capacity for extreme racing conditions
  • Designed for blown, turbocharged, NOS, and alcohol-fueled engines

King Engine Bearings XP-Series main bearings are race-proven components built to handle the extreme loads and high RPM demands of competition engines. These Xtreme Performance bearings deliver consistent, reliable performance in the most demanding racing environments.

Products specifications

Fits

1990-1993 Chevrolet C1500 454 SS; 1966 Chevrolet Chevelle Super Sport 396; 1967-1968 Chevrolet Chevelle SS 396; 1968-1969 Chevrolet El Camino SS; 1975-1979 Excalibur Phaeton Base

easy

Expedited shipping should NOT be default choice. Shouldn't charge for item until they have it in stock ,- was over a month until I got product. Other than that, they did respond to emails quickly and their prices are very good.

quick ordering!

Quick

Don’t know how to completely rate until I get delivery. Then I will be able to give real feedback.

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