What is ej255?

The EJ255 is a turbocharged 2.5-liter flat-four engine produced by Subaru. It is part of the EJ series of engines, which have been used in various Subaru vehicles since the early 1990s. The EJ255 was introduced in 2005 as an upgrade to the previous EJ251 engine, featuring improved power output and performance.

The EJ255 is most commonly found in Subaru's Impreza WRX and Forester XT models, where it produces around 230-265 horsepower and 236-300 lb-ft of torque, depending on the year and specific tune. The engine is known for its smooth power delivery, strong mid-range torque, and high reliability.

The EJ255 features a dual overhead camshaft design with variable valve timing, an aluminum block, and aluminum cylinder heads. It uses a turbocharger and intercooler to boost power output and improve performance. The engine is often paired with a manual transmission, although some models may come with an automatic option.

Overall, the EJ255 is a well-regarded engine among Subaru enthusiasts for its combination of power, reliability, and versatility. It has been used in various Subaru models over the years and continues to be a popular choice for those looking for a balance of performance and practicality.