Subaru STI EJ257 2.5L OEM Short Block - Genuine Factory Engine Block | 10103AC890

Genuine Subaru STI EJ257 2.5L OEM Short Block

Experience authentic Subaru performance with this genuine STI EJ257 2.5L short block (part number 10103AC890). Built to factory specifications by Subaru, this OEM component delivers the reliability, precision engineering, and quality that STI enthusiasts demand for engine rebuilds, restorations, or high-performance builds.

Key Benefits

• Genuine OEM Quality: Factory-built Subaru component ensuring perfect fitment and reliability
• Factory Specifications: Engineered to exact STI standards for optimal performance and durability
• Proven Reliability: OEM quality you can trust for street or performance applications
• Perfect Foundation: Ideal base for engine rebuilds, restorations, or performance upgrades
• Maintains Integrity: Preserves the authenticity and value of your STI powertrain
• Direct Replacement: Exact fit for EJ257-equipped vehicles

Specifications

• Part Number: 10103AC890
• Engine Code: EJ257
• Displacement: 2.5L
• Configuration: Boxer 4-cylinder short block
• Weight: 40kg
• Condition: Genuine OEM

What's Included

• Complete short block assembly
• Crankshaft, pistons, connecting rods
• Cylinder block with installed components

Vehicle Compatibility

Fits Subaru WRX STI models equipped with the EJ257 2.5L engine. This genuine OEM short block is the perfect foundation for engine rebuilds, whether you're restoring to factory specifications or building a high-performance setup. Professional installation recommended.

Australian stock - fast shipping Australia-wide.