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Unpublished Item

JEGS Performance Products 25070

Performance Main Bearing Set for Small Block Chevy LS Gen III/IV

JEGS Performance Products 25070

555-25070

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$54.99
$49.49
ON SALE - $5.50 OFF
JEGS Performance Products 25070 Performance Main Bearing Set for Small Block Chevy LS Gen III/IV $49.49
Performance Main Bearing Set
  • Small Block Chevy LS Gen III/IV
  • Standard Size

  • Specifications:

    Bearing Usage
    Performance
    Groove Location
    Upper
    Grooved Bearing
    Yes
    Quantity
    Sold as a set
    Crank Undersize (in.)
    Stock
    Engine Family
    LS Gen III/IV
    Engine Make
    Chevy
    Engine Size
    LS-Series
    Material
    Bi-metal, silicon aluminum

    Traditional bearings have three layers: steel, copper-lead, and thin babbitt overlay (only 0.0005" to 0.0008"). JEGS Main Bearings in a Performance or High-Performance series have two layers: high-strength steel and bonded silicon, tin, and copper in an aluminum matrix (0.015" thick). Because an alloy, properties are maintained through its entire depth to deliver consistent, reliable output. Additionally, micro-fine machined High-Performance Bearings have chamfered oil holes and offer a tri-metal copper, lead, and nickel version for some applications. Bearings are sold in sets for Chevy and Ford applications.

    High Load Capacity
    Aluminum silicon bearings withstand the stress of high-performance engines. JEGS Bearings are made from the same metallurgical alloy so cars that have standard bearings benefit from this alloy used in race engines.

    Temperature Resistance
    This alloy's melting/fatigue point is 450°+ F (100° more than the thin babbitt overlay of tri-metal bearings). This means extra protection against localized overheating due to misalignment, detonation, overloading, loss of coolant, etc.

    Particle Embedability
    More than half of engine bearing failure is caused by metallic particles that scratch crank journals and weaken or tear thin bearing overlays. Because aluminum silicon overlay is much thicker than babbitt in tri-metal bearings (0.015" vs. 0.0008"), it provides 18 times more embedability to trap particles to prevent crank journal scratches. This is especially true for particles over 0.0004", which cause most of the damage.

    Conformability
    The thicker aluminum silicon layer allows bearings to better conform to problems, such as metal-to-metal contact due to misalignment. Greater conformability also means fewer bearing failures.

    Control of Wall Tolerance
    Bearing-to-journal clearance is affected by several factors. We've alleviated concerns about inconsistent shell-to-shell bearing wall thickness by using statistical control methods to minimize wall thickness variation. JEGS Engine Bearing thickness varies no more than 0.00010". Other manufacturers produce bearings with wall thickness at the crown that varies as much as 0.00025".

    Does JEGS Performance Products 25070 fit your vehicle?

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    2010-2013 GMC YUKON XL 1500

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    • EngineType: V8 ( 6.2 L / 376 )

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    • CC: 5967
    • Liter: 6.0
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    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    1999 CHEVROLET EXPRESS 2500

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2008-2010 CHEVROLET EXPRESS 2500

    • EngineType: ALL
    • SubModel: LT

    1998-1999 GMC K2500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2007 GMC SIERRA 2500 HD CLASSIC

    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    1999 CHEVROLET C1500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2002-2006 CADILLAC ESCALADE

    • CC: 5967
    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 GMC SIERRA 3500 CLASSIC

    • Liter: 6.0
    • SubModel: SL
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2010-2013 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: GRAND SPORT

    2007-2009 CHEVROLET SILVERADO 1500

    • CC: 5967
    • Liter: 6.0
    • SubModel: LTZ
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 GMC SIERRA 1500 HD CLASSIC

    • EngineType: ALL
    • SubModel: ALL

    2007-2013 CHEVROLET EXPRESS 2500

    • CC: 5967
    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    1998-1999 CHEVROLET K2500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2006-2013 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: Z06

    2009-2010 GMC SAVANA 2500

    • EngineType: ALL
    • SubModel: SLE

    2006-2013 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2006 GMC SIERRA 3500

    • CC: 5967
    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2009-2013 GMC SIERRA 1500

    • CC: 6199
    • Liter: 6.2
    • SubModel: SLT
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    2012-2013 CADILLAC ESCALADE

    • EngineType: ALL
    • SubModel: BASE

    2006 GMC SIERRA 3500

    • CC: 5967
    • Liter: 6.0
    • SubModel: SLT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007-2009 CHEVROLET SILVERADO 3500

    • Liter: 6.0
    • SubModel: LTZ
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2005-2007 CHEVROLET CORVETTE

    • CC: 5967
    • Liter: 6.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2010-2013 GMC YUKON

    • EngineType: ALL
    • SubModel: DENALI HYBRID

    2002-2005 CHEVROLET SILVERADO 3500

    • CC: 5967
    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2011-2013 CADILLAC ESCALADE EXT

    • CC: 6199
    • Liter: 6.2
    • SubModel: BASE
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    2009-2011 CHEVROLET EXPRESS 4500

    • CC: 5967
    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    1998-2002 PONTIAC FIREBIRD TRANS AM

    • EngineType: ALL
    • SubModel: ALL

    2006-2013 GMC SIERRA 2500 HD

    • CC: 5967
    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2011-2013 GMC SIERRA 3500 HD

    • CC: 5967
    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2008-2010 CHEVROLET EXPRESS 2500

    • EngineType: ALL
    • SubModel: LS

    2009-2010 CADILLAC ESCALADE

    • CC: 6199
    • Liter: 6.2
    • SubModel: BASE
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    2001 CHEVROLET SILVERADO 3500

    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2001 CHEVROLET EXPRESS 3500

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2005-2006 CHEVROLET SSR

    • EngineType: ALL
    • SubModel: ALL

    2001-2002 GMC SAVANA 2500

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2008 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: 427 LIMITED EDITION Z06

    2012-2013 GMC SAVANA 2500

    • CC: 5967
    • Liter: 6.0
    • SubModel: LS
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2001-2002 CHEVROLET EXPRESS 1500

    • Liter: 5.7
    • SubModel: LT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2009 CHEVROLET SUBURBAN 2500

    • EngineType: ALL
    • SubModel: LS

    2007 GMC SIERRA 3500 CLASSIC

    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2009-2010 GMC SAVANA 3500

    • EngineType: ALL
    • SubModel: SL

    2011-2013 CHEVROLET EXPRESS 2500

    • CC: 5967
    • Liter: 6.0
    • SubModel: LS
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2012-2013 GMC SAVANA 3500

    • CC: 5967
    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2006 GMC SIERRA 3500

    • CC: 5967
    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007-2009 GMC YUKON XL 1500

    • CC: 5967
    • Liter: 6.0
    • SubModel: SLT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2003 CHEVROLET SILVERADO 1500

    • CC: 5967
    • Liter: 6.0
    • SubModel: SS
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2006-2011 GMC SAVANA 3500

    • EngineType: ALL
    • SubModel: LT

    2000-2002 CHEVROLET EXPRESS 2500

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2005 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2012-2013 GMC SAVANA 3500

    • CC: 5967
    • Liter: 6.0
    • SubModel: SL
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2009-2010 GMC SAVANA 3500

    • EngineType: ALL
    • SubModel: SLE

    2007-2013 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Liter: 6.0
    • SubModel: LTZ
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2011-2013 CHEVROLET SILVERADO 3500 HD

    • CC: 5967
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2009-2010 CADILLAC ESCALADE EXT

    • CC: 6199
    • Liter: 6.2
    • SubModel: BASE
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    1999 CHEVROLET P30 VAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2011-2013 CHEVROLET EXPRESS 2500

    • CC: 5967
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2012-2013 CHEVROLET CAPRICE

    • CC: 5967
    • Liter: 6.0
    • SubModel: PPV
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    1998-2000 GMC C3500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2013 CHEVROLET CAMARO

    • CC: 6162
    • Liter: 6.2
    • SubModel: SS
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    2006 CHEVROLET EXPRESS 2500

    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 CHEVROLET SILVERADO 1500 HD CLASSIC

    • EngineType: ALL
    • SubModel: ALL

    2001-2004 GMC SIERRA 2500

    • EngineType: ALL
    • SubModel: BASE

    2001-2004 GMC YUKON XL 2500

    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2010-2012 GMC YUKON

    • EngineType: ALL
    • SubModel: DENALI

    2010 CHEVROLET CORVETTE (CANADIAN)

    • EngineType: ALL
    • SubModel: ALL

    2002-2013 GMC SIERRA 1500

    • EngineType: ALL
    • SubModel: DENALI

    2009 PONTIAC G8

    • EngineType: ALL
    • SubModel: GXP

    2010-2013 CADILLAC ESCALADE

    • EngineType: ALL
    • SubModel: HYBRID PLATINUM

    2009 GMC YUKON

    • CC: 6199
    • Liter: 6.2
    • SubModel: DENALI
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    2010 CHEVROLET SILVERADO 3500

    • CC: 5967
    • Liter: 6.0
    • SubModel: WT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    1998-1999 CHEVROLET K1500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2006 CHEVROLET SILVERADO 3500

    • CC: 5967
    • Liter: 6.0
    • SubModel: LS
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    1998 GMC K1500

    • Liter: 5.7
    • SubModel: SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2013 GMC YUKON

    • CC: 6162
    • Liter: 6.2
    • SubModel: DENALI
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    1998-2002 CHEVROLET C5500 KODIAK

    • EngineType: ALL
    • SubModel: ALL

    2001-2003 GMC SIERRA 1500 HD

    • EngineType: ALL
    • SubModel: SLE

    2010 GMC SIERRA 3500

    • CC: 5967
    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2013 CADILLAC ESCALADE (CANADIAN)

    • EngineType: ALL
    • SubModel: ALL

    2007-2009 CHEVROLET AVALANCHE

    • CC: 5967
    • Liter: 6.0
    • SubModel: LTZ
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    1999-2000 GMC SIERRA 2500

    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2011 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: Z06 CARBON

    1999 CHEVROLET C1500 PICKUP

    • Liter: 5.7
    • SubModel: LS
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2011-2013 GMC SIERRA 3500 HD

    • CC: 5967
    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    1998-2000 GMC SAVANA 2500

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2005 CHEVROLET SILVERADO 1500

    • CC: 5967
    • Liter: 6.0
    • SubModel: LS
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2001 GMC SIERRA 3500

    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2006-2013 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2009 CHEVROLET SUBURBAN 2500

    • EngineType: ALL
    • SubModel: LT

    2012-2013 GMC SAVANA 3500

    • CC: 5967
    • Liter: 6.0
    • SubModel: LS
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2002 CHEVROLET EXPRESS 3500

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2011 CADILLAC ESCALADE

    • CC: 6162
    • Liter: 6.2
    • SubModel: BASE
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    1998-2002 CHEVROLET EXPRESS 3500

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2011-2013 CADILLAC ESCALADE ESV

    • CC: 6199
    • Liter: 6.2
    • SubModel: PLATINUM
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    2001 GMC SIERRA 2500 HD

    • Liter: 6.0
    • SubModel: BASE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    1998 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: Z28
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1998 CHEVROLET C1500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2012-2013 GMC SAVANA 2500

    • CC: 5967
    • Liter: 6.0
    • SubModel: SL
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2006-2013 GMC SIERRA 2500 HD

    • CC: 5967
    • Liter: 6.0
    • SubModel: SLT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )
    25070 - JEGS Main Bearings is rated 5.0 out of 5 by 1.
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    Rated 5 out of 5 by from Great pricing, great product Fit and finish are second to none, great product!!
    Date published: 2016-04-21
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