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King Engine Bearings MB5257SISTDX Main Bearing Set GM 379 V8 OHV Aluminum Silicon Bimetal

(GMC G2500 1983-95, Yukon 1994-97, K1500 1982-86, 1988-98, C1500 1982-86, 1988-97, K2500 1982-86, 1988-2000, Jimmy 1982-91 + 72 more models)

Manufacturer

Picture for manufacturer King Engine Bearings

Part Number

MB5257SISTDX
5 reviews
Sale Price

$68.18

2 left at this price

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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 MB5257SISTDX is a precision-engineered main bearing set designed specifically for General Motors 379 cubic inch V8 OHV engines. This complete main bearing set provides the critical interface between the crankshaft and engine block, ensuring smooth rotation and reliable engine performance.

Key Features:

  • Bimetal construction with aluminum silicon alloy base for superior strength and durability
  • Precision-manufactured to OE specifications for proper fit and clearances
  • Advanced bearing material reduces friction and wear for extended engine life
  • Complete main bearing set includes all bearings needed for engine rebuild
  • Engineered specifically for GM 379 V8 OHV applications

King Engine Bearings is known for high-performance bearing technology used in racing and demanding applications. The aluminum silicon bimetal construction provides excellent load-carrying capacity, thermal conductivity, and resistance to fatigue, making this bearing set ideal for both stock rebuilds and performance applications.

Products specifications

Fits

GMC G2500 1983-95, Yukon 1994-97, K1500 1982-86, 1988-98, C1500 1982-86, 1988-97, K2500 1982-86, 1988-2000, Jimmy 1982-91, Savana 2500 1996-2002, Savana 3500 1996-2002, C3500 1982-86, 1988-2000, K2500 Suburban 1982-86, 1994-99 + 68 more models

Bearing Material

Bi-metal, silicon aluminum

Bearing Usage

Direct replacement

Grooved Bearing

No

Notes

Bearings have 0.001 in. more clearance than stock.

Quantity

Sold as a set.

Material

bimetal (aluminum silicon base)

Flange Oversize

FL STD

Undersize

STDX

Prop 65

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

Title

King Bearings

Great price and fast shipping, very satisfied!

Best price for the item I needed. Very fast shipping and there consumer service was great on the phone.

Autoplicity had the best price that I could find. The product was drop shipped from the factory and the time estimate that Autoplicity said was correct.

Very competive prices, even with shipping costs. Looking forward to using Autoplicity again in the near future.

Transaction has been smooth so far. Pricing is great compared to other online retailers.

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