1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 13316844516201663
  3. MAXPEEDINGRODS QFO4ZG

MAXPEEDINGRODS QFO4ZG Valve Kit Rocker Arms Shafts

fits model: Trx400ex, Sportrax. make: Honda. year: 1999–2008.

Qfo4zg Maxpeedingrods Full Valve Kit For Honda Sportrax Trx400ex 1999-2008 Rocker Arms Shafts Included

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: QFO4ZG ), ( 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 Full Valve Kit Honda Rocker Arms Shafts Included fits SPORTRAX TRX400EX 1999–2008

Introducing the Maxima Racing Products QFO4ZG Valve Kit, meticulously engineered for Honda Sportrax TRX400EX models from 1999 to 2008. This premium valve kit is designed to deliver enhanced engine performance and reliability, making it an essential upgrade for your ATV.

The QFO4ZG Valve Kit comes with four new rocker arms and four new shafts, all manufactured using high-quality materials for exceptional durability and resistance to wear. These rocker arms are precision-machined to ensure a perfect fit and function, allowing for smooth operation and improved valve control.

The new shafts in this kit are made from heat-treated steel, providing superior strength and reliability. The shafts are also machined to exacting tolerances, ensuring a seamless fit with the new rocker arms and the existing components in your engine.

This kit also includes new valve springs and retainers, which help maintain proper valve clearance and sealing. The valve springs are designed to provide consistent force throughout the entire RPM range, ensuring optimal engine performance.

Installing the Maxima Racing Products QFO4ZG Valve Kit on your Honda Sportrax TRX400EX is a straightforward process, making it an ideal upgrade for weekend warriors and performance enthusiasts alike. With this kit, you can expect improved engine response, increased horsepower, and smoother operation, all while enhancing the overall driving experience of your ATV.

In conclusion, the Maxima Racing Products QFO4ZG Valve Kit is a top-tier upgrade for your Honda Sportrax TRX400EX (1999-2008). By supplying new rocker arms, shafts, valve springs, and retainers, this kit delivers enhanced engine performance, reliability, and durability, making it a must-have for any serious ATV enthusiast.

Maxima Racing Products QFO4ZG Valve Kit for Honda TRX400EX (1999-2008) - A Detailed Analysis

The Maxima Racing Products QFO4ZG Valve Kit is designed specifically for the Honda TRX400EX ATVs manufactured between 1999 and 2008. This kit includes new rocker arms, shafts, and valves. In this analysis, we'll discuss the key features, benefits, drawbacks, and provide a concluding recommendation.

Features:

1. High-quality materials: The rocker arms, shafts, and valves are made of top-tier materials to ensure longevity and improved performance.

2. Precision-engineered: The components are designed to fit perfectly and work seamlessly with your ATV's engine.

Benefits:

1. Enhanced engine performance: New valves and rocker arms can improve the overall efficiency of the engine, leading to better power and torque.

2. Reduced engine wear: The kit's high-quality materials help reduce engine wear, which can lead to longer engine life and fewer repairs.

3. Smoother operation: New valves and rocker arms can help reduce engine noise and provide a smoother operating experience.

Drawbacks:

1. Cost: The Maxima Racing Products QFO4ZG Valve Kit can be more expensive compared to OEM parts.

2. Installation complexity: Installing the valve kit requires some mechanical expertise, which may be a challenge for some users.

Conclusion:

The Maxima Racing Products QFO4ZG Valve Kit for Honda TRX400EX (1999-2008) offers several benefits, including enhanced engine performance, reduced engine wear, and smoother operation. However, the high cost and installation complexity might be a deterrent for some users.

Recommendation:

If you're an experienced ATV mechanic or enthusiast seeking improved engine performance and longevity, the Maxima Racing Products QFO4ZG Valve Kit is a solid investment. However, if you're a casual user or new to ATV maintenance, it might be worth considering an OEM valve kit or consulting a professional mechanic for installation.

Details:

Always the correct part. Quick, Simple. Material: Aluminum. Type: Cylinder Rebuild Intake Valve Kit.

Full Valve Kit for Honda Sportrax TRX400EX 1999 2008 Rocker Arms Shafts Included.guaranteed Fitment. Fast Shipping. Application: for Honda Sportrax TRX400EX 1999 -2008.

Every product has quality inspection before leaving the factory. Components and materials ensure a longer service life. 2.High Quality. Specification: condition: 100% New High Quality.

Springs And Clips As Pictured. Package included: 4 Rocker Arms. Manufacturer. Less expensive, easier to install.

specifications cylindermotorcycleiz:

  • for models: Trx400ex, Sportrax
  • for makes: Honda
  • for years: 1999-2008
  • brand: Maxpeedingrods
  • mpn: Qfo4zg
  • 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

shipping cylindermotorcycleiz:

  • transit: 4-8 Days
  • type: Fixed
  • carrier: FedEx
  • service: FedEx Ground / FedEx Home Delivery
  • class: Standard
  • cost: $0.00

seller cylindermotorcycleiz:

  • city: Elk Grove Village, Illinois
  • rating: 100.0%
  • # reviews: 976

payments cylindermotorcycleiz:

  • wallet: Paypal
  • other
  • credit card: Diners-club

returns cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

  • started: January 4, 2026
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • best offers: True
  • quantity: 10

general cylindermotorcycleiz:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads
  • condition: New
for models: trx400ex, sportrax, for makes: honda, for years: 1999-2008, 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: 13316844516201663,
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