fits model: Ej25, Wrx, Sti, Turbo. make: Subaru. year: 2015–2021.

( Manufacturer Part Number: E599973 ), ( Items Included: Camshaft, Cylinder Head, Gasket Set, Oil Pan, Oil Pump, Timing Belt, Timing Chain, Timing Cover, Valve Covers, Water Pump ), ( Fuel Type: Gasoline ), ( Type: Complete Assembly ), ( Manufacturer Warranty: 1 Month ), ( Oe/oem Part Number: Ej257 Ej25 ), ( Block Type: Straight ), ( Engine Size: 2.5l ), ( Country/region Of Manufacture: Japan ), ( Performance Part: Yes )
The Subaru E599973 JDM EJ257 Motor is a high-performance engine designed for the 2015 to 2021 Subaru WRX and STI models. This engine is a 2.5-liter, 5-cylinder, horizontally opposed (BOXER) engine, which is a distinctive feature of Subaru engines. The EJ257 engine is known for its reliability, durability, and power.
The EJ257 engine is equipped with a direct fuel injection system (DFI), which improves fuel efficiency and power delivery. The engine also features an AVCS (Active Valve Control System), which allows for optimal engine performance across a wide range of operating conditions. This system adjusts the intake valve timing and lift to optimize combustion and reduce emissions.
The EJ257 engine is a turbocharged engine, which means it uses a turbocharger to force more air into the engine cylinders, resulting in increased power and torque. The turbocharger is driven by exhaust gases, which means the engine can deliver powerful performance even at low engine speeds.
The EJ257 engine is a factory-built engine that is designed to fit perfectly into the Subaru WRX and STI. The engine comes with all necessary components, including the intake and exhaust manifolds, oil pan, and engine mounts. The engine is also equipped with a factory-built ECU (Engine Control Unit) that is calibrated for optimal performance.
The Subaru E599973 JDM EJ257 Motor is a great choice for Subaru enthusiasts who are looking to upgrade their engine for better performance, fuel efficiency, and reliability. This engine is also a popular choice for those who are looking to build a high-performance Subaru WRX or STI. With its powerful turbocharged engine and advanced AVCS system, the EJ257 engine is sure to deliver a thrilling driving experience.
Pros of buying a Subaru EJ257 motor from 2015-2021 WRX/STI:1. Reliability: Subarus are known for their reliability and longevity, and the EJ257 engine is no exception. It has a reputation for being durable and able to withstand high-performance use.
2. Power: The EJ257 engine in WRX/STI models is a turbocharged 2.5L boxer engine, which delivers powerful performance. It produces around 305 horsepower and 290 lb-ft of torque in WRX models and up to 310 horsepower and 290 lb-ft of torque in STI models.
3. Availability: The EJ257 engine is a popular choice for Subaru enthusiasts, and parts are widely available. This means that if you do need to perform maintenance or repairs, you should be able to find the parts you need easily and at a reasonable price.
4. Affordability: Compared to some other high-performance engines, the EJ257 is relatively affordable. This can make it a good choice for those who want performance without breaking the bank.
Cons of buying a Subaru EJ257 motor from 2015-2021 WRX/STI:1. Fuel efficiency: The turbocharged nature of the EJ257 engine can result in lower fuel efficiency compared to non-turbocharged engines. This means that you can expect to pay more for gasoline over time.
2. Maintenance: While the EJ257 engine is generally reliable, it does require regular maintenance to keep it running smoothly. This can include tasks such as oil changes, timing belt replacement, and turbocharger maintenance.
3. Performance modifications: If you want to modify the EJ257 engine for even more performance, you may need to invest in additional parts and modifications. This can add up in cost and complexity.
Conclusion:The Subaru EJ257 engine is a popular choice for those who want reliable, powerful performance in a Subaru WRX/STI. While it does have some drawbacks, such as lower fuel efficiency and the need for regular maintenance, the benefits, such as affordability and availability of parts, often outweigh these drawbacks for many enthusiasts. If you are considering purchasing an EJ257 engine, it's important to do your research and consider your needs and budget before making a decision.
Recommendation:If you are looking for a reliable, powerful engine for your Subaru WRX/STI, the EJ257 is a good choice. Just be sure to budget for regular maintenance and consider the potential for performance modifications if you want to take your car's performance to the next level. With proper care and maintenance, the EJ257 engine should provide you with many years of enjoyable driving.
JDM EJ257 MOTOR 2015 - 2021 SUBARU WRX STI 2.5L AVCS TURBO V10 BOXER ENGINE EJ25: , STI, APROXIMATELY 47K MILES COMPRESSION TESTED.