Spectro Premuim Heavy Duty Petroleum Oil - HD OIL 20w50 1gal

Spectro Premium Heavy Duty petroleum oil in 20W50 grade, formulated specifically for V-twin motorcycle engines. Delivers superior lubrication and anti-wear protection to reduce valve sticking and extend engine component life while meeting or exceeding OEM Harley-Davidson warranty requirements.

Features

• Formulated for American V-twin engines
• Superior petroleum base stock
• Anti-wear and anti-carbon additives
• Reduces valve sticking
• Exceeds OEM Harley warranty requirements

Specifications

• Brand: Spectro
• Manufacturer Part #: 310337
• UPC: 831556000677
• Viscosity Grade: 20W50
• Volume: 1 gallon
• Weight: 8.25 lbs
• Dimensions: 8.25 in L × 4.75 in W × 10.62 in H

Fitment

Fits V-twin motorcycles, including Harley-Davidson and Indian Motorcycle models.

Frequently Asked Questions

Is this oil approved for Harley-Davidson engines?

Yes — Spectro Premium Heavy Duty meets or exceeds OEM Harley-Davidson warranty requirements.

What weight oil is this?

This is a 20W50 grade, suitable for V-twin engines in most climates and riding conditions.

Will this reduce valve sticking?

Yes — the anti-wear and anti-carbon additives are formulated to reduce valve sticking and improve engine cleanliness.

How much oil is in this container?

One gallon — typical for a full oil and filter change on a V-twin motorcycle.