fits model: Sti. make: Subaru.

( Brand: Cp Piston ), ( Manufacturer Part Number: SC7422 ), ( Part Type: Piston )
Introducing our oversized piston kit specifically designed for the EJ257 engine found in Subaru models from 1999. This kit includes a set of forged 25mm 8.2 pistons, perfectly sized to fit your engine and offer enhanced performance. The pistons are crafted from high-quality materials, ensuring durability and reliability even under high-stress conditions.
The pistons feature a 1CR coating, a cutting-edge technology that reduces friction between the piston and the cylinder wall. This coating not only improves engine efficiency but also extends the lifespan of your engine components. The piston skirts are optimized to minimize oil consumption and promote proper ring seal, ensuring optimal combustion efficiency.
The oversized pistons are designed to fit your EJ257 engine with a diameter of 99.75mm. This kit includes 4 pistons, perfectly balanced for even power distribution and smooth operation. The piston pin diameter is 22mm, ensuring a secure fit and reducing the risk of piston pin failure.
This kit is an excellent choice for those looking to enhance their Subaru's performance. Whether you're planning a power upgrade, looking to increase your engine's horsepower, or simply want to improve the longevity of your engine components, this oversized piston kit is an excellent investment.
Installation is straightforward, but it is recommended to have your vehicle inspected by a professional mechanic before installation to ensure compatibility and proper fitment. Always use high-quality engine oil and follow the manufacturer's recommendations for maintenance to ensure the longest possible lifespan of your engine components.
In conclusion, this oversized sti ej257 99.75mm subaru forged 25mm 8.2 pistons 1cr sc7422 kit is a high-quality, reliable, and performance-enhancing upgrade for your Subaru EJ257 engine. With its 1CR coating, optimized piston skirts, and durable construction, this kit will provide you with improved engine efficiency, increased horsepower, and a longer lifespan for your engine components.
Pros of buying oversized STi EJ257 99.75mm Subaru forged 25mm 8.2 pistons 1CR SC7422:1. Increased performance: The oversized pistons and forged connecting rods will allow for more power and torque, resulting in better acceleration and overall performance.
2. Durability: Forged pistons are known for their strength and durability, which can help prevent engine failure under high-stress conditions.
3. Customization: The ability to upgrade your engine with oversized pistons and forged connecting rods allows for greater customization and personalization of your Subaru.
Cons of buying oversized STi EJ257 99.75mm Subaru forged 25mm 8.2 pistons 1CR SC7422:1. Cost: Upgrading to oversized pistons and forged connecting rods can be expensive, and the cost of installation and any necessary modifications to your engine can add to the overall expense.
2. Complex installation: The installation process for oversized pistons and forged connecting rods can be complex and may require specialized tools and knowledge, which may require hiring a professional mechanic.
3. Potential engine damage: If not installed correctly, oversized pistons and forged connecting rods can cause damage to your engine, such as engine knocking or even engine failure.
In conclusion, while oversized pistons and forged connecting rods can provide improved performance and durability, the high cost and complex installation process make them a significant investment. It is important to carefully consider the pros and cons and ensure that the upgrade is necessary for your specific driving needs before making a purchase. If you are not confident in your ability to install the upgrade yourself, it is recommended to hire a professional mechanic to ensure the job is done correctly.
Tighter clearances 2. Accumulator groove is a v shaped groove machined in the 2nd ring land to collect excess blow by between the top and second ring. Better ring seal 4.
Cp standard features anti detonation grooves contact reduction grooves are grooves that protect the top ring by disrupting detonation waves. Double pin boilers in conjunction with Cp's dual fed reservoir add twice the amount of oil from the cylinder wall to the wrist pin.
This design enables the use of a shorter pin for added strength and weight savings. The compression height is 1.
This core group allows them to explore angles not possible using conventional methods. X forgings are designed to minimize friction and reduce weight without compromising strength. In addition, the Cp groove prevents the top land from smudging into the top ring if the land rubs the cylinder bore.
More power 5. This is a brand new, genuine set of Cp forged Pistons for the Subaru Sti EJ257 engine.
Cam and barrel extensive research and development has been done to find the optimum skirt shape for each Piston. 75mm bore, 8.
When used in combination with lateral gas ports, the Cp groove helps keep gas ports clear of carbon build up. Also known as contact reduction grooves, these grooves limit the Piston cylinder contact during high temperature and rpm. Having the correct cam and barrel on a part promotes the following 1.
Each of these aspects has been put through stringent research and development stages to ensure that their product will exceed your standards. These are the 99. All Pistons at Cp are put through a demanding quality control system and precise computerized machining, ensuring that your Piston is the best Piston available.
Less noise 3.
This groove collects residual gasses during combustion and alleviates top ring flutter while increasing ring seal. With the use of bracing and ribs, the forging is configured by adjusting the weight balance between high and low stress areas.
This commitment has resulted in more forgings specific to certain applications, as well as proprietary treated wrist pins and rings manufactured only for Cp. Here are few reasons why. Cp' groove stands for constant pressure groove.
Radius domes are used to maximize quench while eliminating possible hot spots that promote detonation. This groove works as a channel on the lower part of the top land that equalizes pressure to the back of the top ring groove.
3d model Inge forging is designed using an advanced 3d model ING software package and is qualified through a rigorous finite element analysis entity. In the high pressure world of motor sports, some of the top names rely on Cp Pistons to meet their needs. Durability depending on the forging and application, different cam and barrel profiles are utilized for maximum performance.