Full-Synthetic Racing Ultra

Whether racing or for daily use, HP4RU improves clutch performance, delivers maximum horsepower and protects your engine better than any competitive brand! Meet Pro Honda HP4RU, a full synthetic, high performance, 4-stroke racing oil designed to provide a superior riding experience both on the track and over the road.


• Smooth Gear Shifting
• Precise Clutch Engagement
• Reduced Friction with no Clutch Slip
• More Horsepower (from less mechanical loss)
• Improved Fluid Cleanliness Throughout Oil Change Intervals
• Pro Honda HP4RU is backward compatible with motorcycles that require 10W-30 or 10W-40


Part Number: 08C35-HP4-1030RU


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