13B S4/5 Rotary To Toyota R154 Gearbox Adaptor
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Plazmaman designed and manufactured CNC Aluminium Gearbox Adaptor, to adapt Mazda's 13B engine, to Toyota's near bullet proof R154 1JZ-GTE Supra/Soarer/Chaser 5 speed gearbox. It isn't hard to extract huge power out of turbocharged rotary engine, which compromises the reliability of the OEM upgrades available from Mazda. Fortunately, Toyota over-engineered the R154 5 speed which will take just about anything you can throw at it!
The adaptor kit has been designed to be used with a Series 4, or Series 5 bellhousing ONLY. The adaptor kit comes with all the necessary Hi Tensile fasteners for fitment.
