Silkolene Pro 4 Plus 10W-50 4L – Fully Synthetic Ester Motorcycle Engine Oil Silkolene Pro 4 Plus 10W-50 is a premium fully synthetic ester-based engine oil engineered to deliver increased power, maximum protection, and ultimate performance for 4-stroke motorcycle engines. Designed to perform even under extreme and racing conditions, it ensures reliability when it matters most. Its advanced formulation provides excellent lubrication, reduces engine wear, and maintains stability at high temperatures and high loads. Suitable for a wide range of modern motorcycles, it meets key industry standards for performance and compatibility. Key Features: Fully synthetic ester technology for maximum performance Designed for high-performance and racing conditions Enhances engine power and responsiveness Reduces wear and extends engine life Suitable for modern 4-stroke motorcycle engines Specifications & Approvals: SAE Grade: 10W-50 API: SN JASO: MA2 / MA Size: 4 Litres Ideal for riders seeking top-level performance, protection, and reliability in demanding conditions.