1.3/8" NPT supply and delivery (2) ports 

   1/4" NPT control and balance ports 
   Spring brake release pressure of 95 psi  

2.Replacement Bendix 103081 & 283932, 103081, 103081X, 103081R 283932, 283932, 103908, 

     2978323, 2303057,763441, 325675R91, 36239, 53100573, SA143, 034023, 1511212,     

      Volvo 3096292.