fits model: Ej255, Wrx, Sti. make: Subaru.

( Brand: Je Pistons ), ( Manufacturer Part Number: 291062 ), ( Country/region Of Manufacture: United States )
This set of 8.5 cc pistons is specifically designed for the EJ255 WRX engine, as well as its STI and Subaru counterparts. These pistons are a direct fit for the EJ257 engine, making them a versatile option for various Subaru models. The pistons measure 100mm in diameter, ensuring a perfect fit and optimal performance for your engine.
The pistons are manufactured by FSR, a renowned brand in the automotive industry known for its high-quality parts. These pistons are forged from a durable alloy, ensuring strength and reliability under high-stress conditions. The forging process also allows for precise control over the piston's shape, resulting in improved combustion efficiency and reduced engine noise.
The piston tops are optimized for a 10:1 compression ratio, making them suitable for performance upgrades and turbocharged applications. They feature a full-floating wrist pin and a second ring land, ensuring proper ring seal and reducing friction. The skirt is honed to a mirror finish, reducing friction with the cylinder wall and promoting smooth engine operation.
These pistons are designed to work with the OEM connecting rods, but they also offer a slight increase in stroke, which can potentially boost engine performance. They are finish-machined to tight tolerances, ensuring a precise fit and a smooth engine operation.
In summary, this 8.5 cc piston set from FSR is a high-quality upgrade for your EJ255 WRX, STI, or EJ257 engine. Its forged construction, optimized piston top, and precision machining ensure improved performance, reliability, and longevity for your engine. The 100mm diameter and 10:1 compression ratio make it a versatile option for various Subaru models.
Pros of buying 8.5 ej255 wrx pistons fsr sti subaru 100mm ej257 je 291062:1. Enhanced Performance: These pistons are designed to provide better performance and power, suitable for high-performance applications.
2. Durability: The pistons are made from high-quality materials, ensuring longevity and durability, reducing the need for frequent replacements.
3. Improved Engine Life: By upgrading to these pistons, you can extend the life of your engine by minimizing the wear and tear caused by stock pistons.
4. Increased Compatibility: These pistons are compatible with a wide range of Subaru engines, including the EJ255 and EJ257, making them a versatile option for car owners.
Cons of buying 8.5 ej255 wrx pistons fsr sti subaru 100mm ej257 je 291062:1. Cost: Upgrading to these high-performance pistons can be expensive, as they are not a standard replacement part.
2. Installation Complexity: The installation process can be complex and may require specialized tools and technical knowledge.
3. Engine Tuning: Upgrading to these pistons may require additional modifications to the engine, such as camshafts, intake, and exhaust systems, to fully realize their potential.
4. Potential Voiding of Warranty: Upgrading to aftermarket parts may void the warranty of your vehicle, depending on your manufacturer's policies.
Ending Conclusion:Upgrading to 8.5 ej255 wrx pistons fsr sti subaru 100mm ej257 je 291062 can provide significant performance benefits, but it is not a decision to be taken lightly. The cost, installation complexity, and potential warranty concerns should be carefully considered before making a purchase. If you are willing to invest the time, money, and effort, these pistons can offer improved engine performance and longevity.
Recommendation:If you are looking to upgrade your Subaru engine for better performance, these pistons can be a good option. However, it is recommended to consult with a professional mechanic or tuner to ensure that the upgrade is properly executed and that your vehicle's other components are compatible. Additionally, consider the cost and potential warranty implications before making a purchase.
Je fsr Pistons 100mm straight wall carbon steel wrist pin provided. In this environment, the higher compression ratios, highest boost or heavy notorious usage necessitate the higher tensile strength 2618 aluminum alloy. Some blocks may require cleansing for striker applications.
3 head cc 57 gram weight 413 compression height car make Subaru car model Wrx Sti engine EJ255 EJ257 included ring set jc4404 3938 compression ratio stroke 79 bore 100 material bore size EJ255 EJ257 Subaru Wrx Sti Je has lead the piston market since the very beginning. 5mm ring width s.
Dome and dishes feature smooth flowing radii for excellent flame travel. 2 x Pin fitting and wire locks included rings now included note now compatible with either oem or aftermarket rods.
This is a top of the line piston that one would use to build the ultimate street engine or a reliable race engine. 7 rod length .