Engine Builds | 2 Rotor

2-Rotor

We offer service and performance upgrades for the 2-Rotor motors: 12A and 13B. We can perform mild to wild modifications. Let us know where you're wanting to go, and we'll get you there. We have had success with both normally aspirated and turbocharged versions of the 2-Rotor. This page shows the performance upgrades available for the 2 rotor engine for the FB | FC | FD and our 3 rotor upgrade conversion kit.

See our video page to see video's of the 2 | 3 | 4 Rotor versions.

  • Balancing
  • Fuel Delivery
  • Porting
  • Turbocharging
  • Rebuild
  • Replacement

12A Rebuild | First Gen

12A Engine Rebuild | FB | 1978-1985
We will take your existing 12A engine and rebuild in our shop to factory specifications. Each rebuild includes a new rotor seal assembly which contains the following genuine MAZDA components, as required: Apex seals and springs, side seals and springs, corner seals and springs, complete rotor oil seals with O-rings and springs, front and rear main seals. Your 12A will be completely rebuilt to perform as new.

PLEASE NOTE:
This price is for shortblock engine rebuild only. If you would like to bring us the vehicle, engine rebuild with removal/install labor and supplies and fluids start at $3,100.

  • 2 Rotor | 12A motor rebuild
  • New Apex Seals
  • New Apex Seal Springs
  • New Side Seals
  • New O-Rings Seals (Inner)
  • New O-Rings Seals (Outer)
  • New Side Seal Springs
  • New Complete Gasket Set
  • $2,100

13B Rebuild | First Gen

13B Engine Rebuild | FB | 1984-1985
We will take your existing 13B GSL-SE engine and rebuild in our shop to factory specifications. Each rebuild includes a new rotor seal assembly which contains the following genuine MAZDA components, as required: Apex seals and springs, side seals and springs, corner seals and springs, complete rotor oil seals with O-rings and springs, front and rear main seals. Your 13B will be completely rebuilt to perform as new.

PLEASE NOTE:
This price is for shortblock engine rebuild only. If you would like to bring us the vehicle, engine rebuild with removal/install labor and supplies and fluids start at $3,100.

  • 2 Rotor | 13B motor rebuild
  • New Apex Seals
  • New Apex Seal Springs
  • New Side Seals
  • New O-Rings Seals (Inner)
  • New O-Rings Seals (Outer)
  • New Side Seal Springs
  • New Complete Gasket Set
  • $2,100

13B Rebuild | Second Gen

13B Engine Rebuild | FC | 1986-1991
We will take your existing 13B engine and rebuild in our shop to factory specifications. Each rebuild includes a new rotor seal assembly which contains the following genuine MAZDA components, as required: Apex seals and springs, side seals and springs, corner seals and springs, complete rotor oil seals with O-rings and springs, front and rear main seals. Your 13B will be completely rebuilt to perform as new.

PLEASE NOTE:
This price is for shortblock engine rebuild only. If you would like to bring us the vehicle, engine rebuild with removal/install labor and supplies and fluids start at $3,400.

  • 2 Rotor | 13B motor rebuild
  • New Apex Seals
  • New Apex Seal Springs
  • New Side Seals
  • New O-Rings Seals (Inner)
  • New O-Rings Seals (Outer)
  • New Side Seal Springs
  • New Complete Gasket Set
  • $2,200

13B Turbo II Rebuild | Second Gen

13B Turbo Engine Rebuild | FC | 1987-1991
We will take your existing 13B engine and rebuild in our shop to factory specifications. Each rebuild includes a new rotor seal assembly which contains the following genuine MAZDA components, as required: Apex seals and springs, side seals and springs, corner seals and springs, complete rotor oil seals with O-rings and springs, front and rear main seals. Your 13B will be completely rebuilt to perform as new.

PLEASE NOTE:
This price is for shortblock engine rebuild only. If you would like to bring us the vehicle, engine rebuild with removal/install labor and supplies and fluids start at $3,800.

  • 2 Rotor | 13B motor rebuild
  • New Apex Seals
  • New Apex Seal Springs
  • New Side Seals
  • New O-Rings Seals (Inner)
  • New O-Rings Seals (Outer)
  • New Side Seal Springs
  • New Complete Gasket Set
  • $2,400

13B-REW | Third Gen

13B-REW Twin Turbo | FD | 1993-2002 |
We will take your existing 13B engine and rebuild in our shop to factory specifications. Each rebuild includes a new rotor seal assembly which contains the following genuine MAZDA components, as required: Apex seals and springs, side seals and springs, corner seals and springs, complete rotor oil seals with O-rings and springs, front and rear main seals. Your 13B will be completely rebuilt to perform as new.

PLEASE NOTE:
This price is for shortblock engine rebuild only. If you would like to bring us the vehicle, engine rebuild with removal/install labor and supplies and fluids start at $3,900.

  • 2 Rotor | 13B motor rebuild
  • New Apex Seals
  • New Apex Seal Springs
  • New Side Seals
  • New O-Rings Seals (Inner)
  • New O-Rings Seals (Outer)
  • New Side Seal Springs
  • New Complete Gasket Set
  • $2,400

13B MSP | RX8

13B MSP | RX8 | 2004-2012 |
We will take your existing 13B engine and rebuild in our shop to factory specifications. Each rebuild includes a new rotor seal assembly which contains the following genuine MAZDA components, as required: Apex seals and springs, side seals and springs, corner seals and springs, complete rotor oil seals with O-rings and springs, front and rear main seals. Your 13B will be completely rebuilt to perform as new.

PLEASE NOTE:
This price is for shortblock engine rebuild only. If you would like to bring us the vehicle, engine rebuild with removal/install labor and supplies and fluids start at $3,600.

  • 2 Rotor | 13B motor rebuild
  • New Apex Seals
  • New Apex Seal Springs
  • New Side Seals
  • New O-Rings Seals (Inner)
  • New O-Rings Seals (Outer)
  • New Side Seal Springs
  • New Complete Gasket Set
  • $2,400

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