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S55 1 Piece 4 Pin Crank Hub

S55 1 Piece 4 Pin Crank Hub

Regular price $850.00 USD
Regular price $1,000.00 USD Sale price $850.00 USD
Sale Sold out



  • 1 Piece Solution With Added 4 Pins
  • Made From 8620 Steel, Heat Treated, & Zinc Plating Applied Post Machining
  • Design & Tolerance Based On OEM Structure & ANSI Sprocket Standards
  • Precision Machining  Performed On A Doosan 4-Axis CNC Machine

Kit Includes:

  • 1 Piece 4 Pin Crank Hub
  • OEM Crank Bolt
  • 5/32" Drill Bit
  • Drill Guide
  • Drill Guide Hold Down Bolt

Vehicle Fitment:

F80 M3, F82 M4, F83 M4, F87 M2C (ALL S55 APPLICATIONS)


Highly recommended to have a professional install this, as hole size & true positioning are critical for function and durability.

Installation is available at our affiliated shop located in Orlando, Florida. Please contact us to set up an appointment.


Warranty is only applicable on a defect to the part. We do not warranty engine failures due to incorrect installation. If drilling is not correctly done during installation the result will be failure to the part itself and possibly the engine.


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