CASTROL POWER 1 ULTIMATE 4T 10W-50
Castrol POWER1 ULTIMATE 4T 10W-50 is designed to deliver outstanding performance in four-stroke motorcycles that face demanding riding conditions. Formulated with a fully synthetic base oil, POWER1 ULTIMATE 4T 10W-50 supports exceptional acceleration, smooth throttle response, high engine power and consistent protection across a wide operating temperature range. Its friction-optimised profile contributes to efficient power delivery, while its resistance to oxidation helps to maintain viscosity for longer periods of use.
Whatever your riding style, Castrol POWER1 ULTIMATE 4T 10W-50 can deliver performance improvements and value for money thanks to its long-lasting formula and continued effectiveness throughout the drain interval. The product contains race-derived technology (having been developed for race track conditions) that helps all engines toperform beyond industry limits.
Castrol POWER1 ULTIMATE is proven to offer outstanding performance for all makes of 4-stroke bikes, both carburettor or fuel-injected, where JASO MA or MA2 standards are recommended. Available in individual packs or a 208 litre drum, it is suitable for a range of applications, from individual vehicles to race teams and fleets. Speak to Broughton Lubricants for advice on the right oil viscosity or offer your vehicle details for advice on compatibility and technical specifications.
Why Choose Castrol?
Castrol POWER1 ULTIMATE 4T 10W-50 gives bikes outstanding performance and protection even under the most extreme riding conditions. It is ideal for riders who require dependable engine cleanliness, heat control, and clutch performance during intensive road use. Because it was engineered for race track conditions, POWER1 ULTIMATE 4T 10W-50 delivers acceleration above and beyond what other products can achieve without compromising on wear protection for vital engine components.
Castrol POWER1 ULTIMATE's 5-in-1 formula delivers:
- Excellent acceleration
- Excellent protection
- Smooth riding
- A cooler engine on long rides
- Enduring performance
Its formulation supports stable lubrication during cold starts and sustained high-temperature running, making it suited to modern, high-output engines. By remaining effective at a broad temperature range, POWER1 ULTIMATE 4T 10W-50 continues to deliver excellent protection and performance under the most extreme riding conditions, across the entire drain interval. The product has also been tested and shown to deliver smoother clutch engagement and other key advantages for racing performance across catalyst-equipped engines with which it is compatible.
Customers can also view our motorcycle engine oils and gear oils for complementary and compatible products, to drive performance improvements across your engine or fleet.
Why Choose Broughton Lubricants?
At Broughton Lubricants, our technical specialists can help you to select the right motorcycle lubricant for your engine, operating conditions and manufacturer requirements. We have over 100 years of experience in the industry and as the UK’s only Castrol Ambassador Distributor for both automotive and industrial ranges, we offer authoritative guidance and reliable supply for all Castrol lubricants.
The lubricants market is frequently subject to change, and when the product you typically rely on has been discontinued or replaced, or is otherwise not in stock, our technical specialists can recommend direct replacements in most cases. Where these are not available, we can recommend suitable replacements to help you maintain the highest levels of performance. Contact us today to learn more about how we can help. Call us on 03300 555 109 or use our online enquiry form to request a call back at your convenience.

