1. Motorcycle Cylinder Heads & Valve Covers For Sale
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  3. MAXPEEDINGRODS DMVT48

MAXPEEDINGRODS DMVT48 Intake Exhaust Valve Kit Set

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

Dmvt48 Maxpeedingrods Intake Exhaust Valve Kit For Honda Sportrax Trx400ex 1999-2008 Aluminum Set

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: DMVT48 ), ( 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 Intake Exhaust Valve Kit Honda Aluminum Set fits SPORTRAX TRX400EX 1999–2008

Introducing the Maximum Motorsports DMVT48 Intake Exhaust Valve Kit, specifically designed for Honda Sportrax TRX400EX models from 1999 to 2008. This performance upgrade is an excellent choice for riders seeking improved engine response, increased power, and smoother operation.

The heart of this kit is the high-performance intake and exhaust valves, meticulously engineered to optimize airflow and exhaust gas flow. The intake valves feature a larger diameter and longer stem length, allowing for a more aggressive intake charge. The exhaust valves boast a more aggressive profile, enabling a faster exhaust gas expulsion.

The DMVT48 kit comes with a set of high-performance springs, designed to provide the optimal balance between power and reliability. The intake springs are stiffer, ensuring proper seating of the intake valves, while the exhaust springs are softer, allowing for quicker valve closure for improved exhaust scavenging.

Installation is a breeze, thanks to the included installation instructions and easy-to-follow steps. The kit also comes with all necessary hardware, ensuring a hassle-free installation process.

This kit also includes a set of high-flow air filters, which not only enhance the engine's air intake but also protect it from harmful debris. The filters are easy to clean and can be reused, making them a cost-effective solution for maintaining optimal engine performance.

Upgrading your Honda Sportrax TRX400EX with the Maximum Motorsports DMVT48 Intake Exhaust Valve Kit is an investment in both performance and durability. With its high-performance intake and exhaust valves, optimized airflow, and improved exhaust gas flow, this kit is an excellent choice for riders seeking to take their off-road experience to the next level.

Maxximus Racing D MVT48 Intake Exhaust Valve Kit for Honda TRX400EX (1999-2008): A Detailed Analysis

Introduction:

The Maxximus Racing D MVT48 Intake Exhaust Valve Kit is a performance upgrade designed for the Honda TRX400EX ATVs manufactured between 1999 and 2008. This kit aims to enhance the engine's power output and responsiveness by optimizing the intake and exhaust flow. In this analysis, we will discuss the key features, pros, cons, and conclude with a recommendation.

Features:

1. High-performance intake and exhaust valves

2. CNC-machined for precise fitment and durability

3. Stainless steel construction for corrosion resistance

4. Improves engine performance and response

5. Increases power output and torque

Pros:

1. Enhanced throttle response and acceleration

2. Improved engine efficiency and fuel economy

3. Increased power output and torque, resulting in better performance

4. CNC-machined for precise fitment and durability

5. Stainless steel construction for corrosion resistance

Cons:

1. Installation may require some modifications and custom fabrication

2. Slightly higher price point compared to stock parts

3. May not be suitable for users seeking a quieter ATV

4. Not recommended for users who prioritize low-end torque over top-end power

Conclusion:

The Maxximus Racing D MVT48 Intake Exhaust Valve Kit is an excellent upgrade for users who prioritize performance and responsiveness over quiet operation and low-end torque. This kit delivers enhanced throttle response, improved engine efficiency, and increased power output. However, it may require some custom fabrication during the installation process and comes with a slightly higher price point compared to stock parts.

Recommendation:

If you are an enthusiast seeking to extract the maximum potential from your Honda TRX400EX ATV, the Maxximus Racing D MVT48 Intake Exhaust Valve Kit is a solid investment. It offers significant improvements in engine performance, responsiveness, and power output. However, it is essential to consider the custom installation process and the slightly higher price point before making a purchase. Ultimately, this kit is recommended for users who prioritize performance and are willing to invest in their ATV's capabilities.

Details:

MaXpeedingrods always follow the development concept that Success derives from devotion and happiness comes sharing to make contributes domestic overseas car tuning enthusiasts global racing culture by excellent products service. 2.High Quality. Package included: 4 Rocker Arms. Springs And Clips As Pictured.

Type: Cylinder Rebuild Intake Valve Kit. We established cooperation's with EM tron, Mote, LINK, Cartel, Him, etc. Components and materials ensure a longer service life. PRODUCTS Intake Exhaust Valve Kit for Honda Sportrax TRX400EX 1999 2008 Aluminum Set.

Specification: condition: 100% New High Quality. Every product has quality inspection before leaving the factory. Less expensive, easier to install. MaXpeedingrods has a longstanding commitment to the research of ECU, engine, gearbox and vehicle performance electronic calibration.

Material: Aluminum. Application: for Honda Sportrax TRX400EX 1999 -2008.

specifications cylindermotorcycleiz:

  • for models: Trx400ex, Sportrax
  • for makes: Honda
  • for years: 1999-2008
  • brand: Maxpeedingrods
  • mpn: Dmvt48
  • 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

returns cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

  • # reviews: 28521
  • city: Elk Grove Village, Illinois
  • rating: 99.3%

shipping cylindermotorcycleiz:

  • cost: $0.00
  • service: FedEx Ground / FedEx Home Delivery
  • class: Standard
  • transit: 4-7 Days
  • type: Fixed
  • carrier: FedEx

general cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

  • availability: In Stock
  • quantity: 10
  • sold: 0
  • started: January 17, 2026
  • best offers: True
  • options: Ship-to-home

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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: 13447343239280782,
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