Progressive Suspension’s fork oil is available in a Standard 10wt Type E and Heavy Duty 20wt. This 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. Exceeds all known OEM and Harley-Davidson warranty requirements. Made in the USA.