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Exhaust Valve R - 8400027-1

Exhaust Valve R - 8400027-1

Hot Cams

The Hot Cams Exhaust Valve is a precision replacement component designed to restore correct power valve function in two-stroke engines. Maintaining proper exhaust valve operation is critical for smooth power delivery across the rev range, and this genuine Hot Cams part ensures reliable, accurate fitment. It is a direct replacement unit suited to performance-focused rebuilds and routine maintenance alike.

  • Hot Cams replacement exhaust valve
  • Part number: 8400027-1
  • Designed as a direct OEM-style replacement component
  • Compatible with two-stroke engines requiring exhaust valve servicing
  • Supports correct power valve operation for consistent power delivery

Image used for illustration purposes only. Actual product may vary.


Year Make Model
2012 Honda CRF450R
2011 Honda CRF450R
2010 Honda CRF450R
2009 Honda CRF450R
Regular price R843.15
Regular price Sale price R843.15
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Low stock: 2 left

SKU:8400027-1

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