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King Engine Bearings MB557XP Main Bearing Set for GM Small Block - V8

(GMC G2500 1979-95, Yukon 1992-2000, K1500 1979-86, 1988-99, C1500 1979-86, 1988-99, K2500 1979-86, 1988-2000, Jimmy 1970-91 + 225 more models)

Part of: King Engine Bearings Main Bearing Set Oversize

Other options in this family: King Engine Bearings MB5835SI0.5 King Engine Bearings MB5280SI0.5 King Engine Bearings MB5557SI0.75 King Engine Bearings MB5770SI0.25 King Engine Bearings MB5845SI

Manufacturer

Picture for manufacturer King Engine Bearings

Part Number

MB557XP
16 reviews
Sale Price

$85.03

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The King Engine Bearings MB557XP is a high-performance main bearing set engineered for General Motors small block V8 engines, including 262, 267, 302, 307, 327, and 350 cubic inch displacements. This premium bearing set is designed for demanding race applications where superior load capacity and durability are critical.

Advanced Tri-Metal Construction:

  • Features King's proprietary pMaxBlack tri-metal race bearing technology
  • Unique non-scaled hardening process delivers exceptional load-bearing capacity
  • Engineered specifically for high-performance and racing applications
  • Superior fatigue resistance under extreme operating conditions
  • Optimized for high RPM and high load environments

Application:

  • Compatible with GM small block V8 engines: 262, 267, 302, 307, 327, and 350 cubic inch
  • Complete main bearing set for crankshaft support
  • Direct replacement for factory bearings with race-proven performance upgrades

King Engine Bearings is a trusted name in performance engine components, providing racing teams and engine builders with precision-manufactured bearings that meet the strictest tolerances and performance demands.

Products specifications

Fits

GMC G2500 1979-95, Yukon 1992-2000, K1500 1979-86, 1988-99, C1500 1979-86, 1988-99, K2500 1979-86, 1988-2000, Jimmy 1970-91, Savana 2500 1996-2002, Savana 3500 1996-2002, Savana 1500 1996-2002, C3500 1979-86, 1988-2000 + 221 more models

Undersize

STD

Flange Oversize

FL STD

Material

pMax Black (racing line)

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Title

King Bearings

Prompt delivery and satisfied experience

it was good!

Autoplicity did a good job but the communication from the shipper was slow on when it was being shipped. I would reccomend them.

ok

fast--easy---deal

Fast shipping and lowest prices!!

Good selection and prices

Parts came quickly and were well packaged

The product really works.

Great price cheapest around super fast shipping will go to for all other performance parts needs!!!!!

Service was great. The Diamond Eye exhaust is high quality. 100% satisfied.

Very fast shipping, always great prices.

After shopping around for a specific cargo carrier, Autoplicity had the best total price by over $50 and great ratings, so I gave them a try. I received the SportRack Aero XL - A90275 last Thursday and am VERY impressed with their price and service. The cargo carrier arrived quickly (ordered Sat, rec'd Thurs) and in fine shape. I will recommend Autoplicity to my friends, and plan to shop with them for my future automotive needs.

Wanted to buy my parts on another audtion site but found the price much better on Autoplicity, and the service seems friendly.

Very pleased with product and shipping prices. Best price on the internet.Took a few to many days between order placement and shipping. Once the product was shipped the timing was very good.Talked with support-they were helpful and friendly.

Good. Fast shipping

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