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ACL Standard Size Main Bearings for BMW N63B44/S63B44 4.4L V8

Experience the ultimate in engine performance and reliability with ACL's Race Series Main Bearing Set, designed specifically for your BMW N63B44 or S63B44 4.4L V8 engine. Engineered to withstand the rigors of high-performance driving, these bearings ensure that your engine runs smoothly and efficiently, even under the most demanding conditions.

Key Features:

  • Standard size for precise fitment
  • High-quality materials for enhanced durability
  • Designed for BMW N63B44 and S63B44 4.4L V8 engines
Tunnel [mm]70.000/70.019
Shaft [mm]64.971/64.990
Max. Wall2.500
Max. Length22.25
Half typeUpper & lower
Make Model Year Type
BMW 750i 2009 Base
BMW 750i 2010 Base
BMW 750i 2011 Base
BMW 750i 2012 Base
BMW M5 2013 Base
BMW M5 2014 Base
BMW M5 2015 Base
BMW M5 2016 Base
BMW M6 2012 Base
BMW M6 2013 Base
BMW M6 2014 Base
BMW M6 2015 Base
BMW M6 2016 Base
BMW M6 2017 Base
BMW M6 2018 Base
BMW X5 2011 xDrive50i
BMW X5 2012 xDrive50i
BMW X5 2013 xDrive50i
BMW X5 2015 M
BMW X5 2015 xDrive50i
BMW X5 2016 M
BMW X5 2016 xDrive50i
BMW X5 2017 M
BMW X5 2017 xDrive50i
BMW X5 2018 M
BMW X5 2018 xDrive50i
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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