RB25/RB26 Billet Oil Pump (Flat Drive)
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These billet Oil Pumps have been designed and manufactured in Australia specifically to suit high performance RB25/RB26 engines. The pump is a true anodized BILLET aluminium oil pump, not a machined casting. Based on the OEM version, with changes made after consultation with a number of Australian engine builders.
The pump bolts on to the same place as the factory pump and does not require any special tooling to fit. This pump utilises special oil pump gears made, specifically for them. These pumps have approx 15% more oil flow than an OEM pump.
Rear cover flex on OEM pumps have always been an issue. The aluminium cover plates flex and allowing oil to escape back into the sump at high RPM. The Billet Oil Pumps come with a steel backing plate, eliminating this problem and ensuring that good pressure is maintained even at high RPM.
Extensive bench testing has been performed on these pumps, with specialised testing equipment, to allow real pressure readings to compare them to the OEM pumps. Pressure figures have been taken from 750 to 8000 RPM. There is no guess work – you can see exactly how these pumps perform compared to OEM pumps.
| Product Name | RB25/RB26 Billet Oil Pump (Flat Drive) |
|---|---|
| Brands | Spool |
| Engine | RB25, RB26 |
| Make | Nissan |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
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When should I upgrade the oil pump or gears?
High rpm, high boost or track use normally justify upgrading the pump or billet gears, especially on engines known for oil pump weakness.
Do I need an oil restrictor or head drain?
Some DOHC turbo engines benefit from a restrictor and head drain to control oil pooling at high rpm. Whether you need one depends on your build.
What are the benefits of using the Spool RB25/RB26 Billet Oil Pump over the OEM version?
The Spool Billet Oil Pump offers approximately 15% more oil flow compared to the OEM pump, which is crucial for high-performance applications. It features a steel backing plate that eliminates rear cover flex, ensuring consistent oil pressure even at high RPMs. This design addresses common issues found in OEM pumps, providing enhanced reliability and performance.
Is any special tooling required for the installation of the Spool RB25/RB26 Billet Oil Pump?
No special tooling is required for installation. The Spool Billet Oil Pump bolts directly onto the same mounting points as the factory pump, making it a straightforward upgrade for your RB25 or RB26 engine.
What RPM range has the Spool RB25/RB26 Billet Oil Pump been tested at?
The pump has undergone extensive bench testing, with pressure readings taken from 750 to 8000 RPM. This testing provides a clear comparison of its performance against OEM pumps across a wide operational range.
Are the oil pump gears in the Spool Billet Oil Pump standard or custom?
The oil pump gears in the Spool Billet Oil Pump are specially made for this pump, optimised to enhance oil flow and pressure, which is essential for high-performance applications.
What should I consider when using the Spool RB25/RB26 Billet Oil Pump in a high-performance build?
When using the Spool Billet Oil Pump, ensure that your oil system is properly designed to handle the increased flow. Consider the overall engine build, including clearances and oil viscosity, to maintain optimal performance and reliability. Regular monitoring of oil pressure is also recommended, especially at high RPMs.
