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Green Brothers

Mazda Rotary Modular Steel Bell Housing - Tremec TKX/TKO

Mazda Rotary Modular Steel Bell Housing - Tremec TKX/TKO

Regular price $2,690.00 NZD
Regular price Sale price $2,690.00 NZD
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Green Brothers modular steel bell housing - direct bolt up to Tremec TKX / TKO and most other GM bolt pattern transmissions 

  • Bolts to any 12A, 13B, 20B billet rear plate (except twin distributor models) 
  • Slightly more compact in diameter vs stock FC bell housings 
  • Fabricated & CNC machined in-house from1/4 cold rolled steel plate &waterjet cut flanges 
  • Adapter is CNC machined in-house using 6061 T6 aluminium 
  • Adapter can be unbolted from the rear side, greatly simplifying in-car gearbox installation & removal 
  • Adapter can be swapped with any of our modular adapters 
  • Fits most common clutches included stock Mazda size. 7.2in single, twin and triple plate, 8in Direct Clutch and twin plate, 9.5in single plate 
  • Compatible 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. Including mounting hardware, 3AN plumbing, bleeder and height shims 

Extra $1050

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