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MSD Adjustable Racing Rotor

  • Name: Adjustable Race Rotor EFI
  • Part Number: MSD84211
  • Brand: MSD
  • $49.22

Same Day Shipping If Ordered Before 5pm


When you install EFI on your engine, most systems will require the ignition timing to be advanced for the ECU. This can cause issues with rotor phasing, but the new Adjustable Rotor remedies this issue! The rotor offers up to 20 deg of advance or retard and is easy to set up with accurate one degree detent adjustments.

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