The JBA recessed bulkhead enables the TJM nitto fitting to be set back allowing fitment for applictaions with limted space such as drawer system front panels. 
 
Important Fitting Notes
TJM Nitto fitting supplied in TJM airline kit 013COMPAKN supplied seperatley and available at TJM stores. 
Allow 28mm total depth for fitment. 
 
Fitting Instructions