Red Line Oil Full-Synthetic 20W50 Motorcycle Engine Oil 1-Quart Bottles Set of 4

Brand: Red Line®
Part Number: 42504
Quantity: 4 × 1-Quart Bottles (Total: 4 Quarts)
Viscosity: SAE 20W‑50
Type: Full Synthetic Motorcycle Oil

🏍️ Designed for Performance and Protection

Red Line 20W‑50 Motorcycle Oil is a fully synthetic, ester-based formula developed for high-performance motorcycles. Whether you're riding a Harley-Davidson V-Twin or another air-cooled engine under tough conditions, this oil provides the film strength, heat resistance, and anti-wear protection your engine and clutch demand.

✅ Key Features

• High-Zinc Additives – Ideal for high-load applications, air-cooled engines, and flat-tappet valvetrains

• Full Synthetic Ester Formula – Exceptional lubrication and heat stability

• Wet-Clutch Safe – JASO MA/MA2 approved, perfect for shared engine/transmission/clutch applications

• Reduces Friction & Engine Wear – Helps extend engine life and improve throttle response

• Extended Drain Intervals – Cleaner operation and longer oil life than conventional oils

🔧 Recommended Applications

• Harley-Davidson Big Twin (Evo, Twin Cam, M8)

• Metric cruisers and sportbikes needing 20W‑50

• High-mileage touring motorcycles

• Air-cooled and high-temp environments

📦 Package Includes

• 4 x 1-Quart Bottles of Red Line 20W‑50 Motorcycle Oil

• Factory-fresh, sealed bottles — ships in protective packaging