1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 13417982129080861
  3. MAXPEEDINGRODS 50WG4S

MAXPEEDINGRODS 50WG4S Rocker Arm Set Valves Rebuild Kit 99-2008

fits model: Trx400ex, Sportrax. make: Honda.

50wg4s Maxpeedingrods Rocker Arm Set With Valves For Honda Sportrax Trx400ex 99-2008 Rebuild Kit

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: 50WG4S ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Engine Type: 4-stroke ), ( Finish: Unfinished ), ( Fitment: For Honda Sportrax Trx400ex 1999-2008 ), ( Items Included: Bolts ), ( Machine Type: Off-road Motorcycle ), ( Material: Aluminum ), ( Performance Part: Yes ), ( Type: Cylinder Head ), ( Unit Type: Unit )

Review MAXPEEDINGRODS Rocker Arm Set Valves Honda 99-2008 Rebuild Kit fits SPORTRAX TRX400EX

Introducing the Maxxis Racing (Maxpeedingrods) 50wg4s Rocker Arm Set Valves, an excellent rebuild kit for Honda Sportrax TRX400EX models produced between 1999 and 2008. This high-performance upgrade is designed to provide superior durability and improved engine performance.

The 50wg4s Rocker Arm Set Valves consists of precision-engineered rocker arms and valves. The rocker arms are crafted from robust steel material, ensuring they can handle the demands of off-road riding. The surface of the arms has been treated with a durable coating to resist wear and corrosion.

The valves in this kit are designed with a 50mm intake and 42mm exhaust diameter. They are made from high-strength steel, ensuring they can withstand the high temperatures and pressures generated by the engine. The valves feature a hollow design, which reduces their weight and enhances the engine's responsiveness.

This rocker arm set comes with new lifters, camshaft bearings, and rocker arm bearing kits for a complete rebuild of the engine's valvetrain system. The lifters are made from high-quality materials and feature a smooth rolling design, ensuring consistent valve action. The camshaft bearings are precision-machined to ensure a perfect fit and optimal engine performance.

The installation process for this rocker arm set is straightforward, and the kit includes all necessary hardware for a hassle-free installation. The kit also comes with detailed instructions to guide you through the process.

In summary, the Maxxis Racing (Maxpeedingrods) 50wg4s Rocker Arm Set Valves is a high-quality rebuild kit designed for Honda Sportrax TRX400EX models between 1999 and 2008. This kit offers superior durability, improved engine performance, and straightforward installation. Upgrade your ATV with this top-of-the-line rocker arm set and take your off-road adventures to the next level.

Maxpeedingrods 50wG4S rocker arm set is a popular aftermarket option for rebuilding the valve train on Honda TRX400EX models from 1999 to 2008. This part is designed to improve the engine's performance, but like any aftermarket component, it comes with pros and cons.

Pros:

1. Improved Performance: Maxpeedingrods' rocker arms are designed to provide better valve control, resulting in improved combustion efficiency and horsepower gains.

2. Enhanced Durability: These rocker arms are made from high-quality steel and are engineered to last longer than the OEM parts. They are also designed to reduce the risk of valve bounce, which can lead to engine damage.

3. Adjustability: The Maxpeedingrods rocker arms are adjustable, allowing users to fine-tune their engine for optimal performance.

4. Easy Installation: These rocker arms are designed to be a direct replacement for the OEM parts, making installation relatively straightforward.

Cons:

1. Cost: The Maxpeedingrods rocker arm set is more expensive than the OEM parts. However, some users argue that the performance gains and increased durability make the investment worthwhile.

2. Requires Skills: Installing these rocker arms requires a certain level of mechanical skill and experience. Users who are not confident in their abilities may want to consider having a professional mechanic install the parts.

3. Potential Clearance Issues: Some users have reported clearance issues between the rocker arms and the camshaft, which can require additional modifications or adjustments.

Ending Conclusion:

The Maxpeedingrods 50wG4S rocker arm set is an excellent aftermarket option for users who want to improve the performance and durability of their Honda TRX400EX engine. The pros outweigh the cons, but users should be aware that the installation process requires a certain level of mechanical skill, and there is a risk of clearance issues. Overall, the potential gains in performance and longevity make this an attractive option for many riders.

Recommendation:

If you are comfortable with the installation process and want to see significant improvements in your TRX400EX's performance, the Maxpeedingrods rocker arm set is an excellent investment. However, if you are not confident in your mechanical abilities, it may be worth considering having a professional mechanic install the parts. Additionally, it's essential to ensure that your engine has sufficient clearance before installing the rocker arms to avoid potential issues.

Details:

2 Intake Valves. Package included: 4 Rocker Arms. 2.High Quality. Less expensive, easier to install.

4 Rocker Arm Shafts. Every product has quality inspection before leaving the factory. Specification: condition: 100% New High Quality. us Facebook Account: .

Material: Aluminum. Springs And Clips As Pictured. Type: Cylinder Rebuild Intake Valve Kit. Components and materials ensure a longer service life.

specifications cylindermotorcycleiz:

  • for models: Trx400ex, Sportrax
  • for makes: Honda
  • brand: Maxpeedingrods
  • mpn: 50wg4s
  • california prop 65 warning: California Prop 65 Warning
  • engine type: 4-stroke
  • finish: Unfinished
  • fitment: For Honda Sportrax Trx400ex 1999-2008
  • items included: Bolts
  • machine type: Off-road Motorcycle
  • material: Aluminum
  • performance part: Yes
  • type: Cylinder Head
  • unit type: Unit

payments cylindermotorcycleiz:

  • other
  • credit card: Discover
  • wallet: Google-pay

offer cylindermotorcycleiz:

  • best offers: True
  • options: Ship-to-home
  • started: January 13, 2026
  • quantity: 6
  • availability: In Stock
  • sold: 0

general cylindermotorcycleiz:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads

returns cylindermotorcycleiz:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

seller cylindermotorcycleiz:

  • # reviews: 17629
  • rating: 99.2%
  • city: Elk Grove Village, Illinois

shipping cylindermotorcycleiz:

  • service: FedEx Ground / FedEx Home Delivery
  • class: Standard
  • transit: 2-7 Days
  • cost: $0.00
  • carrier: FedEx
  • type: Fixed
for models: trx400ex, sportrax, for makes: honda, california prop 65 warning: california prop 65 warning, engine type: 4-stroke, finish: unfinished, fitment: for honda sportrax trx400ex 1999-2008, items included: bolts, machine type: off-road motorcycle, performance part: yes, type: cylinder head, unit type: unit,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > cylinder heads, material: aluminum, sku: 13417982129080861,
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