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

EPR I-Beam Connecting Rods

EPR Series are BW flagship series.

In 2010, BW introduced the EPR flagship series. It’s a brand new designed I-Beam. Over the last decade, BW had made numerous developments and improvements. Now it features more advanced technologies with no additional cost. The EPR series I-Beam is designed for applications where rod strength is the priority concern. EPR I-Beam rods minimized the total weight, featuring following advantages:

  • Ribbed pin mass
  • Oil slot on BE surface
  • Stronger beam design
  • Special surface treatment

– Featured with ARP2000 fasteners.
– Upgrade to ARP L19 fasteners at an additional cost
– Upgrade to ARP Custom Age 625+ fasteners at an additional cost

6-EPRI-114-003/8"×1.5"127.00 mm58.000 mm18.958 mm23 mm498.4 g


Billet crankshaft is the manufacturing method to fulfill specific application. BW has been developing and manufacturing billet crankshafts over 20 years. From material selections to final products delivery, BW take every step professionally. 

  • state-of -the-art design job for individual application
  • complex in-house heat treatment process, including core harden, stress relief and nitriding
  • precision machining process by advanced technologies
  • Zeiss CMM(Contura G2) for dimension inspection
  • 3M advanced technology abrasive for micro-polishing journals
  • Small batch delivery

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

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

Part#StrokeMain JournalThrust WidthCrank PinWeight
BS-114A-80.480.40 mm60.000 mm28.00 mm55.000 mm15.5 kg


Porsche – 911 Carrera/Carrera S 993 3.6L 1993-1995(M64.05)

Porsche – 911 Carrera RS 993 1995(M64.20)

Porsche – 911 Turbo 993 1996-1998(M64.60)