Silkolene Pro 4 Stroke Engine Oil – Motorcycle Performance Store

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Silkolene  |  SKU: SLK

Silkolene Pro 4 Stroke Engine Oil

Regular price £299.99

Oil Type

Key Information

Silkolene Pro 4 Engine Oil

Silkolene are the global leading company in motorcycle lubricants. 11% Fuel Savings. 18% Lower Oil Consumption. 3% Improved Power (BHP/Torque)

Pro 4 5W-40 Fully Synthetic

Using 100% Synthetic Ester to provide increased power, optimum engine protection, ultimate performance and reliability. Proven formula developed in partnership with manufacturers and race teams.

  • One, Four or Twenty Litre options
  • API SN JASO MA2 APPROVED

 

Pro 4 10W-30 Fully Synthetic

Formulated to meet the needs of both air and water-cooled 4-stroke engines, Pro 4 10W-30 XP is the recommended SAE grade for the majority of motorcycle manufacturers.

  • One or Four Litre options
  • API SN JASO MA2 APPROVED

 

Pro 4 10W-40 Fully Synthetic

Formulated to meet the needs of both air and water-cooled 4-stroke engines, Pro 4 10W-40 XP is the recommended SAE grade for the majority of motorcycle manufacturers.

  • One or Four Litre options
  • API SN JASO MA2 APPROVED

 

Pro 4 10W-50 Fully Synthetic

Using 100% Synthetic Ester to provide increased power, optimum engine protection, ultimate performance and reliability. Proven formula developed in partnership with manufacturers and race teams.

  • One Litre
  • API SN JASO MA2 APPROVED

 

Pro 4 15W-50 Fully Synthetic

Formulated to meet the needs of both air and water-cooled 4-stroke engines, Pro 4 15W-50 XP is ideal for larger capacity engines, especially in hot conditions.

  • One, Four or Twenty Litre options
  • API SN JASO MA2 APPROVED

Delivery and Shipping

UK Stock Items: Orders for items held in UK stock are normally dispatched within 24 hours.

Supplier Items: Items sourced from suppliers are usually dispatched within 5–10 working days once they arrive with us.

Order Cut-Off: Orders placed before 2PM (Monday to Friday) are typically dispatched the same working day, subject to stock availability.

International Delivery: We ship worldwide. Most international orders arrive within 7 working days from dispatch, though delivery times can vary depending on destination and customs processing.

Courier Responsibility: Once an order has been dispatched, delivery timescales are determined by the courier. Tracking information will be provided where available.

Customer Responsibility: Customers must ensure safe receipt of their order. Additional charges may apply if repeated delivery attempts fail due to no one being available, or if incorrect delivery information has been supplied.

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  • Look

    Your bike should look the way you feel as a rider. Whether you choose the right screen, levers, huggers or footpegs, the bike begins to reflect your own personality the way you like things to look, the pride you take in your machine, and the image you carry on the road. Cleaner lines, a shape that suits your taste, and a stance that matches the way you see yourself as a biker.

  • Sound

    The sound is the essence of your bike — and how it makes you feel when you ride it. The right silencer doesn’t just change the noise; it gives the bike a voice that matches its owners character. That deeper tone, the smoother pulse, the way it settles into a rhythm when you roll off… it all adds to the connection you feel with the machine.

  • Perform

    Performance is that feeling of being at one with your bike the moment you open the throttle. The last purchase made that connection sharper — cleaner pull, quicker reaction and a more willing surge as the revs build. It’s the confidence you feel when the bike flows with you through the S-bends, matching every input and settling exactly where you want it.