Red Line 42504 20W‑50 Full Synthetic Motorcycle Oil – 1 Quart
High-Performance Ester/PAO Blend – Provided by Elite Race Fab

Red Line 42504 is a heavy-duty 20W‑50 synthetic motorcycle oil designed for modern and classic V‑Twin engines. Built on a superior Ester/PAO synthetic base with high ZDDP anti-wear additives, it offers maximum engine protection, smooth clutch performance, and long drain intervals — even under high heat and load.

Key Benefits:

• High film strength for excellent wear protection

• Smooth wet-clutch compatibility and gear protection

• Superior thermal stability and oxidation resistance

• Enhanced detergency for cleaner engine internals

• Excellent cold-start lubrication with strong high-temp performance

Specifications:

• SAE Grade: 20W‑50

• Size: 1 Quart (946 mL)

• Base: Ester & Polyalphaolefin (PAO)

• ZDDP Level: ~2200 ppm Zinc/Phosphorus

• Intended Use: 4-cycle motorcycle engines with integrated or separate transmissions and clutches

Fitment / Recommended Use:

Perfect for:

• Harley-Davidson Milwaukee-Eight, Twin Cam, and Evolution motors

• V‑Twin touring and cruiser bikes

• Air-cooled or high-load motorcycle engines

• Applications requiring smooth clutch operation and high-temp durability

Why Buy From Elite Race Fab?

• Trusted by serious riders and mechanics

• Fast shipping and performance-focused support

• No gimmicks — just real protection and performance