fits model: Ej25, Wrx, Sti, Cr.

( Brand: Manley ), ( Manufacturer Part Number: 612100C-4 ), ( Part Type: Piston )
The 612100c-4 Manley Platinum Pistons EJ25 WRX STI are a premium upgrade for your Subaru engine. These pistons are specifically designed for engines with a bore size of 79mm and are compatible with 99.5mm stroke engines.
Manufactured from high-quality 2618-T6 forged aluminum alloy, these pistons offer superior strength and durability. The Platinum series pistons are renowned for their superior ring land design and enhanced cooling features, which help to reduce heat buildup and increase engine performance.
The piston skirts on these Manley pistons are uniquely profiled to minimize friction and ensure smooth operation in the cylinder bore. The top ring and second ring grooves are chamfered for easy ring installation and better sealing. The piston crowns are optimized for superior ring grip and combustion efficiency, which can lead to improved power and fuel efficiency.
The 612100c-4 Manley Platinum Pistons EJ25 WRX STI also feature a unique coating on the piston crown, which helps to reduce detonation and prevent engine knocking. This coating, along with the piston's optimized geometry, can help to increase power output and improve engine reliability.
Overall, the 612100c-4 Manley Platinum Pistons EJ25 WRX STI are a high-quality upgrade for your Subaru engine. They offer superior strength, durability, and performance, and are backed by Manley's reputation for manufacturing top-tier engine components. With these pistons, you can expect improved engine performance, increased power output, and enhanced engine reliability.
Pros of buying Manley Platinum Pistons (612100c-4) for EJ25 WRX/STi:1. High quality material: Manley pistons are made of forged 2618 alloy, which is known for its strength and durability.
2. Increased performance: This set of pistons is designed for a 79mm bore, which can help increase horsepower and torque.
3. Improved reliability: Manley pistons are known for their excellent ring fit and coating, which can reduce friction and improve engine longevity.
4. Suitable for high-performance applications: These pistons are suitable for high-performance applications, such as racing or stage 2-3 upgrades.
Cons of buying Manley Platinum Pistons (612100c-4) for EJ25 WRX/STi:1. Cost: Manley pistons are generally more expensive than other piston options, which can be a downside for some budget-conscious buyers.
2. Requires professional installation: Installing these pistons requires professional skills and tools, which can add to the overall cost of the project.
3. Potential engine damage: Installing the wrong pistons or not following the proper installation procedure can result in engine damage.
Conclusion:If you are looking for high-quality pistons that can help increase performance and improve engine reliability, Manley Platinum Pistons (612100c-4) for EJ25 WRX/STi might be a good option for you. However, it is important to keep in mind that these pistons are expensive and require professional installation. Also, ensure that you follow the proper installation procedure to avoid any potential engine damage.
Recommendation:If you are considering buying Manley Platinum Pistons (612100c-4) for your EJ25 WRX/STi, it is recommended to consult a professional mechanic or engine builder to ensure that these pistons are suitable for your specific application and to get professional installation services. Additionally, make sure to purchase the pistons from a reputable dealer to ensure that you are getting authentic Manley products.
Each design is lightweight yet robust enough to deliver long service life. All pistons come with Molly coated skirts.
141engine:ej257face type:dish vehicle make::2618bore:99. Recommended clearance. Manley Subaru EJ257 pistons now include Napier second rings and higher tension oil by total seal for superior control 75mm stroke from the bottom of ring groove.
209manufacturer part number:612100c-4 dish dome cc:- perfect ring groove to skirt squareness is achieved through our unique one texturing manufacturing method that assures maximum horsepower. 0 note:std stroke rod length : for mildly boosted.
Manley platinum series pistons EJ25 Wrx Sti 79mm stroke 99. 110compression ratio:9.