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Silkolene Pro 4 Energy Engine Oil

This ultra high performance fully synthetic 4T motorcycle engine oil has been developed in cooperation with a major Japanese motorcycle manufacturer. The cutting edge formulation offers improved fuel economy, engine performance, stable friction for enhanced clutch control and proven high levels of engine and gear box protection.

PRO 4 Energy 10W-30 ensures rapid oil circulation on cold start, excellent lubrication under all conditions and superior wet clutch performance. Advanced surface chemistry provides vital protection to pistons and bores, cam lobes and bearings, even during the cold start period before full lubricant flow is achieved.

Independent dynamometer testing showed engine peak BHP improvements of up to 6% over a range of 5W/40 and 10W/40 motorcycle oils and fuel consumption benefits of average 10% providing greater power from the engine and improved MPG.


  • Synthetic 4-stroke engine oil
  • Developed and tested in cooperation with a major Japanese motorcycle manufacturer
  • High Viscosity Index, exceptional shear strength and outstanding thermal stability give excellent “stay-in-grade" performance
  • Outstanding anti-wear, anti-friction and load-carrying properties
  • Motorcycle 4T JASO-MA, API, SJ certified
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Product Style Item # Manufacturer Product # Availability
1L / 10W-30 1122442 600988753 In Stock: Ships within 24 hours
4L / 10W-30 1122443 600989767 In Stock: Ships within 24 hours