New and Improved : RB20 RB25 RB26 OVER SIZED OIL PUMP
| PART No. | PRODUCT NAME | |
|---|---|---|
| TB203A-NS05A |  |
Application:
NISSAN RB26DETT/RB25DE(T)/RB20DE(T)
[RB26DETT OIL PRESSURE REFERENCE DATA]
SPECIFICATION COMPARISON VS. STOCK
| RPM | Oil pressure(kgf/cmg) | |
|---|---|---|
| Double spring + 2 shim (Out of the box specifications) |
Double spring + 1 shim | |
| 3000 | 5.94 | 5.50 |
| 3500 | 6.10 | 5.70 |
| 4000 | 6.32 | 5.70 |
| 4500 | 6.50 | 5.90 |
| 5000 | 6.60 | 5.90 |
| 5500 | 6.60 | 6.00 |
| 6000 | 6.53 | 6.00 |
| 6500 | 6.20 | 5.80 |
| 7000 | 6.10 | 5.65 |
| 7500 | 6.00 | 5.60 |
| TOMEI | STOCK(RB26DETT) | |
|---|---|---|
| PART No. | TB203A-NS05A | - |
| GEAR MATERIAL | SCM435 | SINTERED ALLOY |
| GEAR SET | 3 PIECE GEAR | 2 PIECE GEAR |
| FLOW RATE | 56.0L/6000rpm | 46.7L/6000rpm |
| OUTER GEAR DIAMETER | 97.5mm | 81.0mm |
| OUTER GEAR THICKNESS | 9.5mm | 11.0mm |
| GEAR COVER THICKNESS | 7.6mm | 6.9mm |
