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Progressive Suspension Fork Oil

Recommended for use with Progressive Suspension or Harley fork suspension products. The special blend formula helps provide superior damping and long lasting lubrication along with anti-foaming, anti-rust and anti-corrosion attributes. It also maintains temperature stability, minimizes fluid leakage, resists fading while preserving fork seals. It exceeds all known OEM and Harley-Davidson warranty requirements. 


  • Available in a Standard 10wt Type E and Heavy Duty 20wt
  • 1 Quart (0.95 liters) bottle
  • Made in the USA
  • Sold each
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Product Style Item # Manufacturer Product # Availability
Standard SAE 10Wt / 1 Quart 1158355 31-0010 In Stock: Ships within 24 hours
Heavy SAE 20Wt / 1 Quart 1158356 31-0011 In Stock: Ships within 24 hours