RB25/26 Billet Oil Pump (Spline Drive)
These billet Oil Pumps have been designed and manufactured in Australia specifically to suit high performance RB25/RB26 engines.
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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 flow 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 | RB25/26 Billet Oil Pump (Spline 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 RB25/26 Billet Oil Pump over the OEM version?
The Spool RB25/26 Billet Oil Pump offers approximately 15% more oil flow than the OEM pump, which is crucial for high-performance applications. Additionally, the steel backing plate reduces flex commonly seen in OEM aluminium covers, ensuring consistent oil pressure at high RPMs.
Is any special tooling required for the installation of the Spool 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 Billet Oil Pump been tested at?
The Spool Billet Oil Pump has undergone extensive bench testing, with pressure readings taken from 750 to 8000 RPM. This testing provides reliable data on its performance compared to OEM pumps across a wide RPM range.
Can I use the Spool Billet Oil Pump with stock components?
Yes, the Spool Billet Oil Pump is designed to be compatible with stock RB25 and RB26 components. However, for optimal performance, it is recommended to ensure that your engine is in good condition and properly tuned.
What material is the Spool Billet Oil Pump made from?
The Spool Billet Oil Pump is made from anodised billet aluminium, which provides enhanced strength and durability compared to traditional machined castings, making it suitable for high-performance applications.
