Cylinder Head Valves for 2009-2024 Honda Foreman TRX500 Rancher TRX420 ATV

Cylinder Head Valves for Honda

This set of cylinder head valves for Honda is an engine top-end component that controls air and fuel flow into the combustion chamber and exhaust gases out, sized for the Foreman TRX500 and Rancher TRX420 ATV engines.

Overview

These cylinder head valves for Honda are replacement intake and exhaust valves intended for top-end rebuilds on ATV engines. They restore proper compression and combustion sealing when original valves are burned, bent, or worn. Riders and shops rebuilding a Foreman TRX500 or Rancher TRX420 will find these cylinder head valves for Honda a practical choice for restoring engine performance.

Built For Performance

• Heat-resistant valve alloy suited to sustained ATV engine temperatures
• Precision-ground valve faces for proper sealing against the seat
• Correct stem diameter for a clean fit in the valve guide
• Intake and exhaust profiles matched to the application
• Machined stem tips for accurate tappet or shim contact

Fits These Machines

• for Honda Foreman TRX500
• for Honda Rancher TRX420

On-The-Job Use

• Top-end rebuilds after valve burn or compression loss
• Cylinder head service on Foreman and Rancher ATVs
• Trail and farm use where reliable starting and idle matter
• Routine engine refresh on high-hour utility ATVs

Specs At A Glance

Good To Know

Q: Are these valves sold as a full set? A: The listing covers cylinder head valves for the listed Honda ATV applications, so confirm the quantity and positions you need before ordering.

Q: Do I need to have the seats cut after installing? A: New valves should be lapped or the seats refaced so they seal correctly, and valve clearance must be set after assembly.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.