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Shop Engine Top End Valves Manley Severe Duty Valves
for Evolution Big Twin 1984-1999

Manley Severe Duty Valves

for Evolution Big Twin 1984-1999

  • stainless steel
  • stem: 7.8 mm
  • replaces Harley-Davidson part number HD 18082-83

High Performance stainless steel valves for all Harleys. They are the standard of the industry since their introduction, designed to outflow and outperform most competitors. These valves feature swirl-polished, performance oriented shapes and durable chrome-plated stems with hardened tips.

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