Connecting rods forged BMW M5 E60 E61 M6 E63 E64 S85B50 for forged pistons

The ZRP forged connecting rod kits for S85B50 engine are composed of 10 connecting rods and delivered with the ARP connecting rod screws.

Find the assembly instructions in the tab "Download" above.

Technical specifications

• Connecting rod type: I
• Center distance: 140.72mm
• Head Diameter: 56.00mm
• Head Width style="color:#2445a2;">head: 18.45mm
• Piston pin diameter: 21.00mm
• Rod bolts: ARP2000 or L19
• Screw thread: 3/8"
• Weight: 499gr
• Steel type: 4340
• subsidiary of DRAKOS ENGEERING renowned for its experience in designing high-performance mechanical parts. ZRP specializes exclusively in forged engine parts and has designed forged connecting rods in high-strength 4340 steel to accept high boosts on your engine and ARP2000 connecting rod screws for significant increases in engine speed.

  The The head of the ZRP forged connecting rods is equipped with a ring machined from hot extruded cupro-aluminum alloy patented AMPCO 18 before being ground to ensure that the oil film is maintained with your piston pin. The design of this forged ZRP I-shaped connecting rod gives it exceptional resistance to significant increases in power and torque due to high boost pressures, as well as to extreme uses such as we encounter. with our customers whom we equip for their preparation for Drift forged engines and Run Dragster forged engines.:

  1) Small End
  2) Foot diameter
  3) Connecting rod body
  4) Rod bolt
  5) Connecting rod head
  6) Connecting rod nut / screw
  7) Connecting rod cap
  8) Head diameter
  9) Center distance