Intake / Exhaust Valves & Seals Kit For Yamaha YZ450F 2014-2019 / YZ450FX WR450F 2016-2020

• Intake Valve Replaces OEM Number: 1SL-12111-00-00
• Exhaust Valve Replaces OEM Number: 1SL-12121-00-00
• Intake valve: High-quality 4Cr10SI3Mo, nitrogen treatment.
  Exhaust valve: High-quality 5Cr21Mn9Ni4N, nitrogen treatment.
• 1:1 interchangeable with the original spare part.
• Heat and corrosion resistant.
• High strength one-piece design.
• Best price and quality replica valves brand new.

Package includes:
Kit 1: 2pcs Intake Valves + 2pcs Exhaust Valves + 4pcs Valve Stem Seals
Kit 2: 2pcs Intake Valves + 2pcs Valve Stem Seals
Kit 3: 2pcs Exhaust Valves + 2pcs Valve Stem Seals