Harddrive Full Synthetic Engine Oil - SYN Engine OIL 20w50 1 GAL (4/Case Sold E…

Harddrive full synthetic 20W50 engine oil formulated for V-twin motorcycle engines, transmissions, and primaries. Ultra-high-grade synthetic base stock resists oxidation and breakdown while ZDDP additives deliver wear protection that meets or exceeds Harley-Davidson warranty requirements.

Features

• Full synthetic base oil resists oxidation and premature breakdown
• ZDDP (zinc dialkyl dithiophosphate) wear protection
• Multi-fill lubricant for engine, transmission, and primary
• Meets Harley-Davidson warranty criteria
• API CI-4/SL and JASO MA2 certified
• Sold in 1-gallon containers (6 per case)

Specifications

• Brand: Harddrive
• Manufacturer Part #: 222981
• Viscosity: 20W50
• Type: Full synthetic
• UPC: 191361115813
• Weight per Gallon: 7.8997 lbs
• Case Quantity: 6 gallons

Fitment

Designed for V-twin motorcycle engines, transmissions, and primaries. Suitable for Harley-Davidson and Indian Motorcycle applications.

Frequently Asked Questions

Is this oil approved for Harley-Davidson engines?

Yes — it meets or exceeds all Harley-Davidson warranty criteria and API CI-4/SL service ratings.

Can I use this in my transmission and primary?

Yes — this is a multi-fill formulation engineered to work in the engine, transmission, and primary cavity.

What's the difference between this and a conventional motorcycle oil?

This full synthetic resists oxidation and breakdown better than conventional oil, and includes ZDDP additives for superior wear protection.

How many gallons come in a case?

Six 1-gallon containers per case. Harddrive also sells 12-quart cases if you prefer smaller containers.

What's the viscosity rating?

20W50 — a common V-twin viscosity that flows well in cold starts while maintaining protection at operating temperature.