Red Line® engine and transmission lubricants have long been the choice of racers and knowledgeable engine builders. The thermal stability, film strength and reduced parasitic drag found in Red Line engine oil all contribute to lower operating temperatures, increased engine life and more power. This defines Red Line® motor oil as a superior product for air-cooled engines, the heart of all American motorcycles. Red Line’s transmission lubricants enhance smooth shifting, lower operating temperatures and reduce transmission noise. Red Lines’® racing heritage is reflected in all of their products…you’ll see more Red Line® products at the track than any other lubricant manufacturer for all of these reasons.

About Red Line® Motorcycle, ATV and Powersport Oils
• Motor oils and gear oils are specifically engineered for the latest high-revving four-stroke motocross bikes and ATVs, Sportbikes, and V-Twins
• Each gear oil product reduces the thinning effect from high temperatures
• Motor oils are packed with higher levels of anti-wear chemistry like zinc and phosphorus
• Special friction modifiers in our motor oils better wet-clutch operation
• A variety of Two-Stroke oils to meet the NMMA TC-W3 regulations where required

Weight 2.3 lbs
Country of Origin

Oil Type



Customer reviews


There are no reviews yet.

Be the first to review “Red Line® Sportster 80W Primary Case Oil with Shockproof®”

Use one of the allowed file type: jpg,png.

    You may also like...