Engine Valve Pair for Honda TRX450R (2004-2005). This high-quality aftermarket replacement set includes both intake and exhaust valves, sold as a pair. Engineered to meet or exceed OEM specifications for reliable valve seating, sealing, and performance. Designed for Honda TRX450R models produced in 2004 and 2005, ideal for top-end rebuilds and routine maintenance.

Vehicle Fitment

Product Specifications

OEM Cross-Reference Information

OEM cross-reference numbers are provided for reference purposes only. Always verify fitment using your machine's exact model, year, and original part number before ordering.

Why Choose This Aftermarket Valve Pair?

• Direct-Fit Compatibility: Precision-engineered for Honda TRX450R Sportrax models (2004-2005) .

• OEM Cross-Reference: Cross-references genuine Honda part number 14711-HP1-670 for intake valves .

• Proven Aftermarket Support: Multiple respected aftermarket brands manufacture compatible valves for these models:

  • Vesrah offers intake (GG-1048-IN) and exhaust (GG-1048-EX) valves with automated manufacturing processes and strict quality control, ensuring quality equal to or better than OEM equipment .

  • Moose Offroad offers a complete Pro Valve Kit (0926-2583) containing two intake and two exhaust valves, designed to match OEM material specifications for drop-in compatibility .

  • KPMI/Kibblewhite manufactures performance intake valves (30-30750T) with hard chrome finish and Finite Element Analysis-designed profiles .

  • Bronco ATV offers exhaust valves (AU-09013E) featuring forged one-piece construction, nitride coating, chromed stems, and stellite tips .

• Vesrah Quality: Vesrah valves undergo automated manufacturing from material shearing through final inspection, with strict quality control ensuring quality equal to or better than OEM .

• Sold in Pairs: Each pair includes one intake and one exhaust valve.

• Complete Rebuild Options: Complete valve kits are available that include all four valves needed for a full cylinder rebuild .

Technical Specifications (Bronco Exhaust Valve):

• Size: 31 x 5.5 x 81.8 mm 

• Construction: Forged one-piece with nitride coating, chromed stems, and stellite tips 

• Material: SUH35HT stainless steel for exhaust applications 

Installation Notes:

• Always check valve-to-guide clearance during installation.

• Inspect valve seats and recut or replace if necessary.

• Use new valve seals and springs where recommended.

• Properly lap valves to ensure a gas-tight seal.

• Verify valve stem clearance falls within factory specifications.

• Follow manufacturer torque specifications for assembly.

• For complete engine rebuilds, consider replacing all four valves simultaneously—valve kits containing two intake and two exhaust valves are available .

Why Upgrade?
Worn or burnt valves can cause low compression, hard starting, rough running, and loss of power—frustrations that spoil a ride. Restore your Honda TRX450R engine's performance with this quality aftermarket valve pair, designed to keep you riding with confidence.

Order your engine valve pair today and get back on the trail with confidence.