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Developed in in 2005, Defined Autoworks 20b conversion kit is still one of the only ones that retain FULL stock subframe. This kit will mount a 20b 3-rotor directly into your FD chassis, keeping your stock transmission in the exact location. Zero modifications to the chassis or subframe are needed. 


Two versions are available- The base 20b kit which deletes air conditioning and the Deluxe 20b kit which keeps the air conditioning.


The stock intake will need shortened 2" or a aftermarket intake used to clear the hood. 


After purchase please send your factory steering rack, factory 20b oil pan, and FD power steering/ air conditioning bracket for modifications.  New stainless TIG welded motor mounts, cnc tensioner bracket, cnc waterpump outlet and Delrin motor mount pucks are included. Average turn-around time is 5 weeks after parts are recieved. 

20b Conversion Kit for 1993-95 1996-2002 Rx7

SKU: 999
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