Mercedes-AMG M157 5.5L

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*Images are representatives, the actual product may be different. 

Epr-design Crankshaft

EPR Series are BW flagship series.

Based on 10+ years crankshaft manufacture experience, BW introduced the EPR-DESIGN Billet crankshaft in 2013. It carries all the benefits that billet has, but with lighter weight and stronger structure.

  • 100% 4-axis CNC profiling 
  • Special Knife-edge counter weight for reducing resistance at high RPM
  • V-style lightening holes machined by 5-axis CNC
  • Undercut counter weight for additional weight reduction

– Standard in premium AISI4340
– Upgrade to EN40B at an additional cost
– Upgrade centerline gundrill hole for super light weight at an additional cost.

Part#StrokeMain JournalThrust WidthCrank PinWeight
EPR-193A-90.5*90.50 mm64.000 mm25.50 mm52.000 mm22.97 kg

*EPR-193A-90.5 IS CUSTOM SPEC

Applications

MERCEDES-BENZ – S63 AMG 2011-2013(W221)

MERCEDES-BENZ – S63 AMG 2013-2017(W222)

MERCEDES-BENZ – CL63 AMG 2011-2014(C216)

MERCEDES-BENZ – CLS63 AMG 2012-2018(C218)

MERCEDES-BENZ – ML63/GLE 63 AMG 2012-2019 (W166)

MERCEDES-BENZ – GL63/GLS63 AMG 2012-2019(X166)

MERCEDES-BENZ – G63 AMG 2013-2018(W463)

MERCEDES-BENZ – E63 AMG 2012-2016(W212)

MERCEDES-BENZ – SL63 AMG 2012-2019(R231)