Red Line ® HeavyWeight 30WT Suspension Fluid is designed for shock valving on heavy motorcycles which need more viscosity. This specialized fluid is used in many Harley-Davidson ® and American V-Twin motorcycle forks and rear shocks that have not been revalved. All Red Line suspension fluids can be blended to create intermediate viscosities and customized for a dampener's particular characteristics.

• Far less shock fade and Superior shear stability over most popular shock oils
• Antiwear additives assist in longer shock life
• Provides lower operating temps for same viscosity when compared to conventional fluids
• Eliminates most foaming and provides excellent seal lubricity
• All Red Line suspension fluids can be blended to create intermediate viscosities

Part Number Packaging Options
Available in a wide range of packaging including:
91142 16 oz.
91146 5 Gallon
91148 55 Gallon