| fcgopm |  | flat cam gear oil pump modification |
| 16-9715 |  | oil pump 71 on w/ dished gear & 8mm stud holes 1600 hi-vol-iron full flow Empi |
| 31-2925 |  | oil pump 71 on w/ dished gear & 8mm stud holes hi-vol-iron Empi |
| 31-2952 |  | oil pump dished gear & 8mm stud holes 1600 hi-vol iron 30mm Melling Empi |
| oppb |  | oil pump passage block off method, if you're doing full flow |