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

( Brand: Manley Performance ), ( Manufacturer Part Number: 612200C-4 ), ( Engine Codes: For Ej255 / Ej257 ), ( Type: Piston ), ( Vehicle Make: For Subaru )
The Manley Performance 612200C-4 Forged Pistons are specifically designed for Subaru WRX 9.0 EJ257 STi engines with a displacement of 2.5 liters. These pistons are manufactured using a forged 2618 alloy, which ensures superior strength and durability, making them ideal for high-performance applications.
The pistons feature a standard bore size of 99.50mm and a compression ratio of 8.5:1. The crown design of the pistons is optimized for better ring seal and reduced friction, ensuring improved engine efficiency and power output. The piston skirts are treated with a nitride coating for enhanced durability and reduced wear.
The Manley Performance 61200C-4 Forged Pistons are designed to fit perfectly into your Subaru WRX engine, ensuring a seamless installation process. The pistons are also finished with a high-temperature coating that protects them from heat and wear, extending their lifespan and ensuring reliable performance under extreme conditions.
In summary, the Manley Performance 612200C-4 Forged Pistons are a high-quality, performance-oriented upgrade for your Subaru WRX EJ257 STi engine. Their superior strength, optimized design, and protective coatings make them a reliable choice for power enthusiasts looking to boost their engine's performance and durability.
Pros of buying Manley Performance 612200C-4 forged pistons for Subaru WRX 9.0 EJ257 STI:1. Durability: Forged pistons are stronger and more durable than cast pistons, which can handle higher compression ratios and boost pressures.
2. Heat resistance: Forged pistons have better heat resistance, which can help prevent piston failure due to overheating.
3. Weight: Forged pistons are lighter than cast pistons, which can help improve engine performance by reducing rotating mass.
4. Quality: Manley is a well-known and reputable brand, known for its high-quality pistons.
Cons of buying Manley Performance 612200C-4 forged pistons for Subaru WRX 9.0 EJ257 STI:1. Cost: Forged pistons are generally more expensive than cast pistons.
2. Installation: Installing forged pistons can be more complicated than installing cast pistons, as they require more precise assembly and clearance measurements.
3. Requires specific engine build: Forged pistons are typically used in high-performance engine builds and may require other modifications to the engine, such as stronger connecting rods and higher compression ratios.
Conclusion: If you are looking to upgrade the performance of your Subaru WRX 9.0 EJ257 STI and are willing to invest in a high-quality forged piston set, the Manley Performance 612200C-4 is a good option. However, it's important to note that forged pistons are not necessary for all engine builds, and the cost and installation complexity may not be worth it for some. It's always a good idea to consult with a professional mechanic or engine builder to determine if forged pistons are the right choice for your specific engine build.
Recommendation: If you are planning a high-performance engine build and are looking for a reliable and high-quality forged piston set, the Manley Performance 612200C-4 is a solid choice. Just be prepared for the cost and installation complexity that comes with it. If you're not planning a high-performance engine build, you may want to consider a lower-cost, cast piston set that will still provide good performance and reliability.
Shipped with USPS Priority Mail. Manley Forged Pistons Fits Subaru WRX 9.0:1 EJ257 STi 8.5:1 99.50mm STD 17 cc. Condition is Used.