BJR Racing

Racing Engines & Heads

Mopar Commando Heads (Large Port)


 
       
Out Of The Box  
Lift
.100
.200
.300
.400
.500
.600
.700
Intake
81
121
181
222
258
301
303
Exhaust
83
123
182
204
214
215
215
 
       
After Porting  
Lift
.100
.200
.300
.400
.500
.600
.700
Intake
87
169
223
260
309
323
318
Exhaust
81
126
185
217
239
251
257