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ACL Chev. V8 4.8/5.3/5.7/6.0L Race Series Engine Crankshaft Main Bearing Set for GM LS Gen III - IV

ACL's Race Series engine crankshaft main bearing set is designed for high-performance engines. This set features a 270-degree oil groove and is.50mm / 0.020" undersize.

Key Features:

  • High-quality bearings for reliable performance
  • Designed for high-performance engines
  • 270-degree oil groove for improved lubrication
  • .50mm / 0.020" undersize for precise fitment
Tunnel [mm]69.873/69.887
Shaft [mm]64.993/65.007
Max. Wall2.43
Max. Length20.45
Half typeUpper & lower
Note270° Groove.

This product fits more vehicles than loaded. Please select your vehicle to see all fits.

Make Model Year Type
Buick LaCrosse 2008 Super
Buick LaCrosse 2009 Super
Buick Rainier 2004 CXL
Buick Rainier 2004 CXL Plus
Buick Rainier 2005 CXL
Buick Rainier 2005 CXL Plus
Buick Rainier 2006 CXL
Buick Rainier 2007 CXL
Cadillac CTS 2006 V
Cadillac CTS 2007 V
Cadillac Escalade 2002 Base
Cadillac Escalade 2003 Base
Cadillac Escalade 2004 Base
Cadillac Escalade 2005 Base
Cadillac Escalade 2006 Base
Cadillac Escalade ESV 2003 Base
Cadillac Escalade ESV 2004 Base
Cadillac Escalade ESV 2005 Base
Cadillac Escalade ESV 2006 Base
Cadillac Escalade EXT 2002 Base
Cadillac Escalade EXT 2003 Base
Cadillac Escalade EXT 2004 Base
Cadillac Escalade EXT 2005 Base
Cadillac Escalade EXT 2006 Base
Chevrolet Avalanche 2007 LS
Chevrolet Avalanche 2007 LT
Chevrolet Avalanche 2007 LTZ
Chevrolet Avalanche 2008 LS
Chevrolet Avalanche 2008 LT
Chevrolet Avalanche 2008 LTZ
Chevrolet Avalanche 2009 LS
Chevrolet Avalanche 2009 LT
Chevrolet Avalanche 2009 LTZ
Chevrolet Avalanche 2010 LS
Chevrolet Avalanche 2010 LT
Chevrolet Avalanche 2010 LTZ
Chevrolet Avalanche 2011 LS
Chevrolet Avalanche 2011 LT
Chevrolet Avalanche 2011 LTZ
Chevrolet Avalanche 2012 LS
Chevrolet Avalanche 2012 LT
Chevrolet Avalanche 2012 LTZ
Chevrolet Avalanche 2013 Black Diamond LS
Chevrolet Avalanche 2013 Black Diamond LT
Chevrolet Avalanche 2013 Black Diamond LTZ
Chevrolet Avalanche 1500 2002 Base
Chevrolet Avalanche 1500 2002 North Face
Chevrolet Avalanche 1500 2002 On Road Edition
Chevrolet Avalanche 1500 2002 Z71
Chevrolet Avalanche 1500 2003 Base
Chevrolet Avalanche 1500 2003 North Face
Chevrolet Avalanche 1500 2003 On Road Edition
Chevrolet Avalanche 1500 2003 WBH
Chevrolet Avalanche 1500 2003 Z71
Chevrolet Avalanche 1500 2004 Base
Chevrolet Avalanche 1500 2004 Z66
Chevrolet Avalanche 1500 2004 Z71
Chevrolet Avalanche 1500 2005 Base
Chevrolet Avalanche 1500 2005 LS
Chevrolet Avalanche 1500 2005 LT
Chevrolet Avalanche 1500 2005 Z66
Chevrolet Avalanche 1500 2005 Z71
Chevrolet Avalanche 1500 2006 LS
Chevrolet Avalanche 1500 2006 LT
Chevrolet Avalanche 1500 2006 Z66
Chevrolet Avalanche 1500 2006 Z71
Chevrolet Colorado 2009 LT
Chevrolet Colorado 2010 LT
Chevrolet Colorado 2011 LT
Chevrolet Colorado 2012 LT
Chevrolet Corvette 2005 Base
Chevrolet Corvette 2006 Base
Chevrolet Corvette 2007 Base
Chevrolet Express 1500 2003 Base
Chevrolet Express 1500 2003 LS
Chevrolet Express 1500 2004 Base
Chevrolet Express 1500 2004 LS
Chevrolet Express 1500 2005 Base
Chevrolet Express 1500 2005 LS
Chevrolet Express 1500 2006 Base
Chevrolet Express 1500 2006 LS
Chevrolet Express 1500 2006 LT
Chevrolet Express 1500 2007 Base
Chevrolet Express 1500 2007 LS
Chevrolet Express 1500 2007 LT
Chevrolet Express 1500 2008 Base
Chevrolet Express 1500 2008 LS
Chevrolet Express 1500 2008 LT
Chevrolet Express 1500 2009 Base
Chevrolet Express 1500 2009 LS
Chevrolet Express 1500 2009 LT
Chevrolet Express 1500 2010 Base
Chevrolet Express 1500 2010 LS
Chevrolet Express 1500 2010 LT
Chevrolet Express 1500 2011 Base
Chevrolet Express 1500 2011 LS
Chevrolet Express 1500 2011 LT
Chevrolet Express 1500 2012 Base
Chevrolet Express 1500 2012 LS
Chevrolet Express 1500 2012 LT
Automotive Components Limited (ACL) manufactures some of the best engine bearings you can get. They also manufacture gasket sets, pistons, and ring kits. ACL’s Race Series Products provide the dependability it takes to hold up under higher RPM conditions. The unique combination of design, metallurgy, and engineering come together to deliver what drivers expect from high performance parts.
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