Price:  $4 - Set

The brass orifice screws into the injector bell of the motor system and regulates the flow of N2O into the fuel grain.  The orifice then determines the motor configuration for the particular motor system being used as shown in the table below. 

Motor Configurations (OLD DATA - WILL UPDATE WHEN NEW TMT AVAIL)

Orifice\Motor System 440cc 835cc 1685cc 2800cc
.172 I310 J300 L460 L490
.125 J250 K240 L280  
.110 J220      
.098 J175   L150  
.086 J150      
.076 J110