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Purpose-built transmission oil engineered for Harley‑Davidson Sportster and Buell 6‑speed gearboxes. Designed where the clutch, primary and transmission share the same lubricant, it delivers consistent performance under high load and slip conditions.
Choose Spectro Platinum Sportster Heavy Duty Full Syn Trans Oil for dependable, long‑life lubrication that preserves gearbox integrity, smooth clutch operation and consistent shifting performance under demanding riding conditions.