Subaru OEM EJ255 Short Block Subaru WRX 2006-2014 / Legacy GT / Outback XT 2007-2009 | 10103AC880 Wheel Offset_5mm Better efficiency for built heads

Better efficiency for built heads with upgraded cams and springs

The AEM 21-547C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing

They keep your fuel rails plumbed in series like OEM and even retain the stock FPR

Part Number: 15016-HDTZ

The design process for this pulley ensured that a perfect factory replacement fitment was maintained while performance was maximized

Subaru OEM EJ255 Short Block Subaru WRX 2006-2014 / Legacy GT / Outback XT 2007-2009 | 10103AC880 Wheel Offset_5mm Better efficiency for built headsSupersession(s): 10103AB630; 10103AB930; 10103AC040; 10103AC0409Z Features: This is a brand new, completely assembled 2. 5 Liter EJ255 short block directly from Subaru. This block uses the 24cc dish in the piston, which will yield a compression ratio closer to stock for hybrid swaps. Though the block was designed for the D25 heads, they can be used with the 2. 0L S20 heads for a hybrid swap. This block is the factory block for most of the 2. 5L WRX,