SUBARU 2.5L Engine

Part Type:  Remanufactured Engine Assembly (Factory Spec)

This remanufactured SUBARU 2.5L engine (turbo) includes the following enhancements from Fraser Engines:

• Bore and hone all cylinders to OEM clearances (We check all clearances within .0001 of inch),
• Decking cylinder head(s) and block for straightness,
• Cutting valve seats and valves to proper degree,
• Line boring/honing crankshaft/camshaft tunnels,
• Ground & polish crankshaft, new or remanufactured camshaft(s),
• New main bearings, rod bearings, pistons, piston rings, lifters, pushrods (if equipped), timing components, oil pump, head bolts,
• All new internal gaskets and seals.
• All finishing gaskets are included (MAY VARY PER APPLICATION).

SUBARU 2.5L (Turbo) Engines

The Subaru 2.5 liter turbo engine is a 4-cylinder engine designed specifically for Subaru vehicles.

The base engine consists of:

An all-aluminum engine block and cylinder head
Dual Overhead Camshafts (DOHC)
Active Valve Control System (AVCS)
Sequential multi-port fuel injection
Intercooler

The engine specifications include:

• A displacement of 150 cubic inches (2,457 cubic centimeters)
• 3.62 in x 3.39 in (92 mm x 86 mm) cylinder bore and piston stroke
• 8.0:1 or 8.2:1 compression ratio
• 230 to 305 horsepower (172 to 227 kW) at 5,600 to 6,000 rpm
• 235 to 290 lb-ft (319 to 393 Nm) of torque at 3,600 to 4,000 rpm

The Subaru 2.5 liter turbo engine was introduced in 1999 and found its home initially in the Impreza WRX and Legacy GT models. The engine was praised for its performance and reliability, and it quickly became a popular choice for enthusiasts and racers. The engine was updated several times throughout the years and was used in various Subaru models, including the Forester XT, Outback XT, and Impreza STI. The engine's combination of power and versatility has made it a favorite among Subaru fans and a staple of the brand's performance lineup.