SUBARU EJ25-AVCS Engine Sohc Jdm Avcs 2.5L

( Manufacturer Part Number: EJ25-AVCS ), ( Part Type: Engine ), ( Manufacturer Warranty: Other ), ( Engine Size: 2.5 L )

Review SUBARU Engine Avcs Sohc 2.5l Jdm fits IMPREZA FORESTER LEGACY EJ25 2006–2011

The Subaru EJ25-AVCS engine, manufactured between 2006 and 2011, is a 2.5-liter, SOHC (Single Overhead Camshaft) powerplant that was widely used in various Subaru models, including the Impreza and Forester. This engine is a significant evolution from its predecessors, boasting advanced features and improvements that enhance both power and fuel efficiency.

At its core, the EJ25-AVCS engine is a horizontally opposed, or boxer, design. This unique configuration offers several advantages, such as a lower center of gravity and more balanced power delivery. The engine employs a cast-iron block and aluminum cylinder head, which contributes to its durability and lightweight construction.

One of the most notable features of the EJ25-AVCS engine is its Active Valve Control System (AVCS). This technology uses a variable intake valve timing system to optimize engine performance across the entire RPM range. By adjusting the intake valve timing, the engine can provide both improved power and enhanced fuel efficiency.

Another significant improvement is the implementation of electronic fuel injection (EFI) and Subaru's Electronic Throttle Control System (ETCS). These advancements allow for more precise fuel delivery and throttle response, resulting in better overall performance and drivability.

The EJ25-AVCS engine also incorporates a dual-exhaust system with a catalytic converter for each cylinder bank. This design not only improves exhaust flow but also reduces emissions, making it environmentally friendly.

Additionally, the engine comes with a maintenance-free timing belt system, which eliminates the need for frequent belt replacements, thus reducing maintenance costs and hassle.

In summary, the Subaru EJ25-AVCS engine, produced between 2006 and 2011, is a high-performing, fuel-efficient, and environmentally-friendly powerplant that was widely used in various Subaru models. Its advanced features, such as AVCS, EFI, and ETCS, contribute to its impressive power delivery and drivability, making it a popular choice among Subaru enthusiasts and everyday drivers alike.

The Subaru EJ25-AVCS engine, which was produced from 2006 to 2011 for the Impreza and Forester models, is a 2.5L SOHC unit with Variable Valve Timing and Lift Control System (AVCS). Here are some pros and cons of buying this engine:

1. Fuel Efficiency: The EJ25-AVCS engine is known for its good fuel economy, especially when compared to other high-performance engines in its class.

2. Durability: Subaru engines have a reputation for being robust and long-lasting. The EJ25-AVCS engine is no exception, and with proper maintenance, it can last for hundreds of thousands of miles.

3. Performance: The engine delivers decent power and torque, making it suitable for daily driving as well as occasional spirited driving.

4. Reliability: The EJ25-AVCS engine is known to be a reliable unit. It has few common issues, and the ones that do arise are usually easy and inexpensive to fix.

1. Complexity: The engine's AVCS system can be complex, and repairing it can be expensive. It requires specialized tools and knowledge to diagnose and fix issues.

2. Emissions: The engine does not meet the latest emissions standards, so it may not be legal to use in some areas.

3. Power: Compared to newer engines, the EJ25-AVCS engine may not deliver the same level of power and torque.

4. Maintenance: The engine requires regular maintenance to keep it running smoothly. This includes replacing timing belts and water pumps at regular intervals.

Overall, the Subaru EJ25-AVCS engine is a solid choice for those who are looking for a reliable, fuel-efficient, and durable engine. Its performance is decent, and it is suitable for daily driving as well as occasional spirited driving. However, its complexity and maintenance requirements are important factors to consider. Additionally, its inability to meet the latest emissions standards may limit its use in some areas.

If you are looking for a reliable, long-lasting engine for daily driving, the Subaru EJ25-AVCS engine is a good option to consider. However, if you are looking for the latest technology and the highest level of power, you may want to consider a newer engine. Additionally, if emissions regulations are a concern, you may want to look for an engine that meets the latest standards. With proper maintenance and care, the EJ25-AVCS engine can provide years of trouble-free driving.

Details:

Tune-ups and adjustments, filters, hoses, belts, lubricants, coolants, emission control devices, spark plugs, tune-up parts, etc. All internal engine parts including: pistons, piston rings, pins, crankshaft and main bearings, connecting rods rod camshaft timing chain gears, intake exhaust valves, valve springs, oil pump, push rods, rocker arms shafts. Complete and Extremely Clean Motor. Rotary Engines Mazda RX-7 13BT/13BTT/20B - No Warranty, 4.

Deterioration or pre-ignition damage. Check cooling system and service if rusted or contaminated with oil replace coolant. State and/or federal authorities require that you change over the emission devices from your old engine to are installing make it comply. NOTE: Top Tier Japan DOES NOT PROVIDE INSTALL INSTRUCTIONS OR FITMENT GUIDES.

Posted are of actual item and not sample photos. Must replace the timing belt, water pump, pensioner, oil filter, and spark plugs. Compression tested at 150 PSI across all four cylinders. ITEMS NOT COVERED, All external parts attached to the engines

Please know what you are buying. The engine block, cylinder walls and head are also warranted to be free of cracks or distortion. Any damage caused by abuse, neglect, accident or natural perils. Loss caused by overheating.

Decrease in performance of any covered part due to normal wear and tear unless actual breakdown occurs, having regard inherent manufacturing faults some engine model's. Intake and exhaust manifolds, carburetors, distributor, starter, emission control devices, flywheel, clutch pressure plate, water pump, thermostat, belts, hoses, oil pan, valve cover, sensors, electronic parts distributor, wires, Computers, injectors, etc, drive shafts, engine mounts, half shaft, etc,. ITEMS AND CONDITIONS COVERED BY THE LIMITED WARRANTY, Loss caused by defective timing belt.

Loss caused by the failure of a part or parts engine that are not covered this limited warranty. Engines complete with accessories may not comply the emission control laws of state in which it is being sold or used. Cylinder head and short block only. The engine if it is used for competitive driving, drifting or racing.

A brand new timing belt must be installed. LIMITED WARRANTY OFFERED BY TOP Tier JAPAN. Loss caused by any modification or use of the engine for which it was not originally designed. Loss caused by the engine being improperly installed.

Approx 50-60K Miles. Loss caused by modification or forced induction NOS, Turbos, Supercharged for which the engine was not designed. Set ignition to specification as recommended by manufacturer.

part #: ej25 prices

• $1599.99-$1799.99

specifications grokengines:

• for models: Ej25, Impreza, Forester, Legacy
• for makes: Subaru
• for years: 2006-2011
• mpn: Ej25-avcs
• part type: Engine
• manufacturer warranty: Other
• engine size: 2.5 L

payments grokengines:

• wallet: Paypal
• credit card: Mastercard
• other

returns grokengines:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

seller grokengines:

• rating: 100.0%
• # reviews: 647
• city: Phoenix, Arizona

offer grokengines:

• availability: In Stock
• quantity: 1
• started: May 8, 2025
• options: Ship-to-home
• sold: 0

shipping grokengines:

• class: Economy
• cost: $0.00
• service: Economy
• type: Fixed
• transit: 4-8 Days

general grokengines:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Engines

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