fits model: Wrx, Sti, Cr, Forester, Legacy. make: Subaru. year: 2004.

( Brand: Je Pistons ), ( Manufacturer Part Number: 256058 ), ( Fitment Type: Performance/custom )
Introducing the 256058 Je Pistons, a high-performance replacement option for your 2004 Subaru WRX-STI or Forester. These pistons are designed to deliver exceptional power and durability, making them an ideal choice for enthusiasts seeking improved engine performance and reliability.
The 256058 Je Pistons are constructed using a forged aluminum alloy, ensuring maximum strength and durability. The piston skirts are engineered with an optimized crown shape and a honed bore for improved ring seal and reduced friction, leading to enhanced engine efficiency and reduced heat generation.
One of the standout features of these pistons is their 100mm bore diameter, which allows for increased combustion chamber volume and improved air-fuel mixture for enhanced power output. The pistons also feature a 5mm compression height, providing a good balance between power and reliability.
The pistons are designed with a CR (Compression Ratio) of 12.0:1, which is suitable for high-octane fuel and provides ample power for turbocharged applications. This CR also ensures that the engine is able to run efficiently and produce optimal power output.
The 256058 Je Pistons are a direct replacement for OEM pistons and are designed to fit perfectly into your Subaru WRX-STI or Forester engine. They are easy to install and require no modifications to the engine block or cylinder head.
In conclusion, the 256058 Je Pistons are a high-quality, high-performance replacement option for your 2004 Subaru WRX-STI or Forester engine. They are designed to deliver improved power, durability, and efficiency, making them an excellent choice for enthusiasts seeking to enhance their vehicle's performance.
Pros of buying 256058 pistons 100mm 5mm CR for Subaru WRX-STI Forester:1. Compatibility: These pistons are specifically designed for Subaru WRX-STI Forester, ensuring a perfect fit and optimal performance.
2. Quality Material: The pistons are made of high-quality materials, ensuring durability and resistance to heat and pressure.
3. Increased Power: The 5mm CR (Compressed Ratio) pistons can increase the engine's power output, providing a more responsive and powerful driving experience.
Cons of buying 256058 pistons 100mm 5mm CR for Subaru WRX-STI Forester:1. Cost: Upgrading to high-performance pistons can be expensive. The cost of this particular set is significantly higher than the OEM pistons.
2. Installation Complexity: Installing aftermarket pistons can be a complex process, requiring specialized tools and expertise. It's recommended to have the installation done by a professional mechanic.
3. Risk of Engine Damage: If not installed correctly, high-performance pistons can cause engine damage. It's crucial to follow the proper installation guidelines and use high-quality components.
Conclusion:If you are looking to increase the power output of your Subaru WRX-STI Forester and are willing to invest in high-quality aftermarket components, 256058 pistons 100mm 5mm CR could be a good option. However, it's important to consider the high cost and potential installation complexity. Make sure to have the installation done by a professional mechanic and follow the proper installation guidelines to avoid any potential engine damage.
Recommendation:If you're considering upgrading your Subaru WRX-STI Forester with 256058 pistons 100mm 5mm CR, we recommend carefully considering the pros and cons and ensuring that the benefits outweigh the costs. If you have the budget and are comfortable with the installation complexity, this upgrade could provide a more responsive and powerful driving experience. However, if you're unsure or have any concerns, it may be best to consult with a professional mechanic or do further research before making a decision.
In this environment, higher compression ratios, extreme boost levels and heavy notorious usage necessitate the tensile strength 2618 aluminum alloy found every Je piston. Please see the for information regarding shipping costs and available methods.
Purchase from map to receive aggressive pricing and retain your manufacturers warranty.
Je Pistons 100mm bore.
5mm comp ratio: 8.
2 rod: 130.