fits model: Trx450r. make: Honda. year: 2004–2005.

( Brand: Je Pistons ), ( Manufacturer Part Number: 221770 ), ( Type: Piston Kit ), ( Material: 2618 High Tensile Aluminum Alloy ), ( Country/region Of Manufacture: United States ), ( Vintage Part: No ), ( Performance Part: Yes )
This JE Pistons 221770 kit is designed specifically for the 2004 and 2005 Honda TRX450R ATV models. Elevate your engine performance with this top-tier piston kit from JE Pistons, a renowned leader in high-performance piston technology.
The 13-piece piston kit, comprised of 13 pistons and 13 corresponding rings, delivers significant improvements in power, efficiency, and overall engine response for your TRX450R. Each lightweight, forged aluminum piston undergoes rigorous production processes, ensuring a precise fit and exceptional durability. The pistons are designed with a 2mm overbore for a big bore increase, which increases the engine displacement and potentially boosts horsepower.
This kit features JE Pistons' famous Nickasil coating, a cutting-edge, nickel-silicon carbide coating. This coat enhances piston durability, reduces frictional heat in the engine, and provides excellent ring seizure resistance during high RPM applications. This leads to better engine efficiency, longevity, and improved performance.
The JE Pistons 221770 kit includes 13 compression rings: a top ring, second ring, third ring, and oil control ring for each piston. These rings are meticulously engineered and manufactured to deliver optimal performance and to ensure perfect seal and compression.
Moreover, the pistons' skirt and crown designs contribute to the TRX450R's enhanced power output. The pin boss design features a mud-resistant feature to maintain optimal clearance, even during rigorous off-road use. JE Pistons also implements their patented "Split Ring Pin" technology for easy ring installation and removal, ensuring a hassle-free experience for the end-user.
In conclusion, the JE Pistons 221770 Big Bore 2mm Over 13 Piston Kit offers significant engine upgrades, increased power, improved efficiency, and advanced durability for the 2004-2005 Honda TRX450R ATV models. With their renowned manufacturing processes and expertise in piston technology, JE Pistons delivers a high-performance solution ready to transform your ATV experience. Upgrade to JE Pistons and notable improvements in power, reliability, and handling awaits.
1. **Increased Power**: A bigger bore kit like Je Pistons 221770 can help improve the engine's power output by increasing the cylinder's volume. This results in more fuel being burnt in each combustion cycle, leading to a noticeable increase in horsepower and torque.
2. **Improved Engine Performance**: Larger piston kits like this one can also result in improved throttle response and engine compression. This translates to a more responsive, powerful, and efficient engine that can handle higher power demands and deliver better performance.
3. **Customization**: Upgrading to a bigger bore kit can be an appealing customization option for riders looking to personalize their Honda TRX450R and enhance its capabilities on the trails.
4. **Durability**: The Je Pistons 221770 kit includes not only larger pistons but also other high-quality engine components like rings and wrists pins. This results in a more durable and reliable engine that can handle the increased demands of a larger bore and higher compression.
5. **Performance Enhancements**: The 2mm overbore size in the Je Pistons 221770 kit is suited for those looking for a more significant performance increase and are prepared for the potential power gain and increased engine stress.
**Cons:**1. ** Installation Complexity**: Installing a big bore kit like the Je Pistons 221770 requires a fair amount of mechanical knowledge and experience. This DIY project is recommended for those with a good understanding of engine mechanics, tools, and the inherent risks involved.
2. **Cost**: A big bore kit like the 221770 is not an inexpensive upgrade. Riders should have a clear understanding of the costs involved, including the cost of the kit, any required tools or upgrades to their vehicles, the time spent on installation, and potential labor charges.
3. **Engine Longevity**: Upgrading to a bigger bore kit can increase the load on the engine, which may shorten its lifespan if not managed correctly. Proper maintenance and regular servicing are essential to mitigate any risks.
4. **Safety**: The increased power and performance of a big bore kit can also impact safety. Riders must be aware of their riding abilities and always prioritize safety while riding. It is recommended to consult with a knowledgeable mechanic or experienced rider before making the upgrade.
**Conclusion:**The Je Pistons 221770 big bore kit for the 2004-2005 Honda TRX450R offers several advantages, including increased power, improved engine performance, and added customization. However, it does come with challenges, such as installation complexity, cost, potential decreased engine longevity, and increased safety considerations. Prospective buyers must consider these factors carefully and decide if the potential benefits outweigh the potential drawbacks before making the upgrade.
**Recommendation:**If you are an experienced rider with solid mechanical knowledge and the necessary resources, the Je Pistons 221770 13 piston kit can be an excellent choice to further personalize and enhance the performance of your Honda TRX450R. Remember that proper installation, maintenance, and safety precautions are crucial when undertaking this project.
Machined from 2618 high tensile forged aluminum. One area where JE really stands out is in their commitment to keeping jobs America.