Updated Covid-19 information including stores reopening.

  • Free UK DeliveryMainland ex H'lands (over £25)
  • 365 Day ReturnsRefund or exchange
  • 15+ Years OnlineTried, tested, trusted
  • Finance Available0% on orders over £300
  • Free Returns*Mainland UK over £25
  • Award WinningMCN retailer of the year

Free UK Delivery

It's really simple, if you spend over £25 with us, delivery is free of charge to any mainland UK address (excluding Islands & Highlands).

365 Day Returns

We simply don't believe in making the sale and moving on, we want to make sure our customers are happy with their purchase. That's why we now offer a full 365 day returns period. Simply relax, take your time and make sure it's right! All we ask is that you try the items within your own home and return with the tags intact.

15+ Years Online

We've been serving the motorcycle community for more than 15 years now and in that time we've grown to be the largest online retailer of motorcycle clothing & accessories in the UK.

Finance Available

Why wait? We now provide some of the best finance packages around to help spread the cost and get you on the road. We now offer finance on most orders from as little as £280 with 0% packages starting at only £300. The online application process is super simple too and takes around only 5 minutes to complete! The best part is, there's no paperwork to print and in most cases you'll have a decision in under 10 minutes. Just select finance as a payment method and take it from there!

Free Returns*

We now offer free returns on any UK Mainland order (excluding Highlands) over £25. Most importantly, returning an item to us is super simple. Just click here or on the 'create a return' link located at the bottom of every page, and create your return in under 1 minute.

Award Winning

There's a reason why our competitors spend so much time watching what we do, we believe in customer service levels beyond the norm and we're always looking for ways to improve. In late 2013 we were recognised for this by the bike industry's No.1 publication, Motorcycle News. As retailer of the year, we feel it's our duty to constantly better our offering and if you have any ideas, we'd love to hear from you!

Castrol Power 1 4T 10W-40

Best Seller
in Engine Oil

Part synthetic 4-stroke motorcycle engine oil

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$11.40

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Customer Reviews for Castrol Power 1 4T 10W-40

Castrol Power 1 4T 10W-40
September 24, 2020

Liquid Gold

Will let you know how good it is when I do an oil change, but I chose Castrol Power because of the standing it has in the lubrication marketplace.

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Castrol Power 1 4T 10W-40
September 6, 2020

Great for top ups

Good oil at a good price. Perfect for top ups between changes.

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Castrol Power 1 4T 10W-40
July 28, 2020

Castrol Power more slippy than a slippy thing!

If you want your engine internals to be more slimy and slippery than a UK politician then Castrol Power 1 4T 10W-40 is what you need.

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Castrol Power 1 4T 10W-40
July 17, 2020

Happy Customer

Really happy with the whole shopping experience buying from Sportsbikeshop. Castrol Power is a quality product matched well with my machine and will help to protect and cool it for many many miles. It maynot be the cheapest but it will pay dividends using it over time.

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Castrol Power 1 4T 10W-40
June 17, 2020

Good stuff

Does what it should. Cheaper than anywhere else. Great service.

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Castrol Power 1 4T 10W-40
June 17, 2020

Great service

The product came as expected and also boxed well. Any time I have had a problem with sportsbikeshop they have been quick and easy to talk too and solve the problem. Shipping was also very fast.

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Castrol Power 1 4T 10W-40
June 12, 2020

Castrol oil

Used Castrol in all my bikes for years, no issues, it protects just as it says it does. Good, fast, service from the guys as always.

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Castrol Power 1 4T 10W-40
May 5, 2020

Castrol power 1

I allways use Castrol Power 1 oil in my bike and allways buy from the Sports Bike Shop great product at a great price.

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Castrol Power 1 4T 10W-40
May 1, 2020

Good quality and value oil

Good quality oil at a decent price.

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Castrol Power 1 4T 10W-40
May 1, 2020

Castr-oil

Gold coloured can. Gold medal product. It's a winner.

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Description

Castrol Power 1 4T 10W-40

  • Trizone Technology
  • Power release technology for max & sustained engine performance
  • Extreme high temperature air-cooled & water-cooled engine performance
  • No compromise engine protection
  • Complies with requirements of catalyst equipped engines
  • Good oil consumption control

NOTE Packaging may be different from picture shown.

Castrol Power 1 4T is a part synthetic 4-stroke engine oil designed for the latest generation of sport, touring and on-off road bikes from leading European and Japanese manufacturers. 10W-30 has been developed for engines that specifically require a low viscosity lubricant; 10W-40 is suitable for high performance bikes including highly stressed multi cylinder units; 15W-50 is particularly well suited for large sized, air cooled mono and twins. It is also well suited for high mileage engines that require good high temperature viscosity and oil consumption control. Castrol Power 1 employs the very latest Trizone Technology that gives optimum protection to the engine, clutch and gears even under the most arduous conditions, including sustained operations at high rpm.

API Standards:API SJ
JASO Standards:JASO MA2

Manufacturer

About
Castrol

Castrol is the world leading manufacturer, distributor and marketer of premium lubricating oils, greases and related services to automotive, industrial, marine, aviation, oil exploration and production customers across the world.

Castrol offers lubricants for virtually all domestic, commercial and industrial applications. With their 13 R&D centres globally, they develop and test hundreds of new products every year.

See all Castrol products
Questions and Answers

Questions and Answers

  • I need engine oil for a cbr 1000 2010 mobile, what should i use bike has a slipper clutch.

    August 2, 2011

    I would recommend contacting your local dealer / mechanic to see what they suggest if using a slipper clutch.

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