HeavyWeight Suspension Fluid

HeavyWeight Suspension Fluid

Red Line Synthetic Oil
HeavyWeight Suspension Fluid

HeavyWeight Suspension Fluid

HeavyWeight Suspension Fluid

  • Used in many Harley-Davidson® and American V-Twin motorcycle forks and rear shocks that have not been revalved


Vis @ 100°C = 10.8 cSt
Vis @ 40°C = 30.4 cSt
VI = 369
Flash Point = 152°C (305°F)
Pour Point = -22°C (-8°F)


  • Superior shear stability over most popular shock oils
  • Allows use of lower viscosities
  • Far less shock fade, provides lower operating temps for same viscosity when compared to conventional fluids
  • Eliminates most foaming and provides excellent seal lubricity
  • Antiwear additives assist in longer shock life


Vis @ 100°C16.0 cSt
Vis @ 40°C66.8 cSt
VI 256
Pour Point, °F <-50°C (<-60°F)
Flash Point, °F180°C (356°F)


Product Price  
HeavyWeight Suspension Fluid - 16oz Bottle £13.46 Buy Now
UK Dealers
Europe Dealers


Prices do not include VAT.

Terms and Conditions apply.

Carriage Charges apply to UK Mainland only. Please contact us for Isle shipping and International charges.

back to Suspension Fluids  Suspension Fluids

Other Suspension Fluids also available:
  ExtraLight Suspension Fluid
  LightWeight Suspension Fluid
  LikeWater Suspension Fluid
  Medium Suspension Fluid


For more information regarding the full range of Red Line Oil products then don’t hesitate to get in touch today. Contact Us on +44 (0)2476 717100 or fill in our Contact Form.

For contact information regarding our UK and European Dealers then please see our Dealers page.

Contact Red Line for information on HeavyWeight Suspension Fluid

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