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Maxfab Fabrication & Supply Co.

Mazda Rotary Modular Steel Bell Housing - FC Direct Replacement

Mazda Rotary Modular Steel Bell Housing - FC Direct Replacement

Regular price $2,490.00 NZD
Regular price Sale price $2,490.00 NZD
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Green Brothers modular steel bell housing - FC direct replacement is fabricated and CNC machined in-house from 1/4in cold rolled steel plate & waterjet cut flanges 

  • Direct replacement for FC S4 S5 bell housings 
  • Bolts to and 12A, 13B, 20B billet rear plate (except twin distributor models) 
  • Slightly more compact in diameter vs stock FC bell housings
  • Adapter is CNC machined in-house using 6061 T6 aluminium 
  • Adapter can be unbolted from the rear side, greatly simplifying in0car gearbox installation and removal 
  • Adapter can be swapped with any of Green Brothers modular adapters
  • Fits most common clutches including stock Mazda size. 7.25in single, twin, and triple plate, 8in direct clutch single and twin plate, 9.5in single plate 
  • Compactable with stock FC 1.2KW and 2.0KW starter motors 
  • Double lip input shaft seal
  • All machining is done post welding. Alignment tolerance within 0.08mm
  • Anti-rust Epiphos coated (can be painted over)
  • Meets NZDRA, IHRA and ANDRA bell housing requirements 
  • No provision for clutch fork 


Optional Tilton Hydraulic release bearing kit. Three bearing diameters available to suit most clutch types. Includes mounting hardware, 3AN plumbing, bleeder, height shims.

Extra $1050

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