Keep your Harley-Davidson® V-Twin running at its best with Drag Specialties DS3 Full Synthetic 20W-50 Engine Oil. Engineered specifically for air-cooled V-Twin engines, this one-quart bottle delivers complete lubrication for your engine, transmission, and primary case — all in a single formula.
The full synthetic base provides exceptional viscosity stability and antioxidation protection, so your engine stays clean and protected whether you're commuting daily or hammering out long-distance miles. Shear-stable under the demands of gear shifts and high RPM operation, DS3 maintains consistent film thickness where it matters most.
Extreme pressure additives shield gears and critical engine components from wear, while the anti-sludge formulation keeps internals clean and maximizes power output. Meets all Harley-Davidson® warranty performance standards — no warranty concerns, just confidence on every ride. Made in the USA.
Features:
- Full synthetic formula covers engine, transmission, and primary cases
- 20W-50 viscosity optimized for air-cooled Harley-Davidson® V-Twin engines
- Shear-stable — maintains viscosity under high-load engine and gear forces
- Extreme pressure additives reduce gear and component wear
- Fights sludge buildup and keeps engine internals clean
- Excellent sealing characteristics for maximum power output
- Meets all Harley-Davidson® warranty performance criteria
- Made in the USA
Specifications:
- Brand: Drag Specialties Oil
- Part Number: 198921
- Viscosity: 20W-50
- Volume: 1 Quart
- Type: Full Synthetic
- Application: Engine, Transmission, Primary Case