IAG Stage 2 EJ25 Subaru Short Block - Subaru Models (inc. 2006-2014 WRX / 2004+ STI)

IAG Stage 2 2.5L Subaru Short Block for WRX STI Legacy GT Forester XT

RallySport Direct proudly carries the highly sought-after high-performance upgrades and accessories brought to you by IAG Performance. 

 

This is the IAG Performance Stage 2 Short Block. This short block features stronger connecting rods that are combined with forged pistons that are carefully assembled with a new 2017+ Subaru 2.5L Nitride treated STI crankshaft that is matched with ACL bearings. his short block has a power output rating of 575BHP and will work well on your high-powered street car, or purpose-built race car. 

 

HIGHLIGHTS:

• Brand new Subaru OEM case halves bored and honed in-house to 99.5mm
• IAG-Spec JE 99.5mm Forged Pistons and Ring set
• .180" Chromoly steel pins, clips along with coated skirts and offset wrist pins
• IAG-Spec H-Beam Rods
• ARP2000 Rod bolts
• ACL rod and main bearings 
• New Subaru Nitride Treated 2017+ STI crankshaft
• Standard FHI Subaru case bolts

 

NOTE THAT THE COMPRESSION RATIO IS SUBJECT TO CHANGE BASED ON CYLINDER HEADS AND HEAD GASKETS USED

• 8.2:1 on B, V, and W cylinder heads (EJ257)
• 8.5:1 on D cylinder heads (EJ255)