Exhaust Valve On Big Twin

  • Australia’s largest range of H-D products
  • Australia’s best range of aftermarket products
  • Free shipping $99+, 60 days exchanges & returns
  • 40 years of H-D experience & Knowledge
Out of Stock
  • Stock length & head diameter
  • extreme Duty
  • High Flow
  • one piece forged racing grade stainless steel alloy
  • Liquid nitriding process creates a valve that is smoother and stronger than O
  • E
  • M
  • Stems are centerless ground for a longer life
  • 45o angle below the lock groove to facilitate the valve seal installation
  • Replaces OEM # 18082-57
  • Replaces OEM # 18087-81Head Dia 1
  • 750in
  • OAL 3
  • 830in
  • Stem Dia 0
  • 3764in
More Information
Online ExclusiveNo

Shipping Information:


- Orders below $50 Freight is $14.95 (including GST Australia wide)
- Orders $50-$99 Freight is $9.95(including GST Australia wide) (except bulky orders)
- Orders $99+  Freight is FREE (including GST Australia wide) (except bulky orders)
- Bulky orders Freight is $29.95 (inc GST Australia wide). Examples: motow, ramps, bulk orders of more than nine items. Information is provided on each product page if the item has a freight charge.