IAG 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 08-20 STI. 2009-subaru-impreza-2 5 i CNC porting is not only

CNC porting is not only an efficient way of machining the heads and offers consistent port results every time

The IAG Performance replacement 3/8" NPT to 5/8" aluminum barb hose fitting is designed to fit the 2015-20 Subaru WRX with IAG Street Series or Competition Series air oil separator

MDS dampers are ideal for full-race car applications that demand exceptional versatility and fine tuning for track conditions

0L crankshaft with improved oil passages that is matched to ACL or King race main bearings

IAG 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 08-20 STI. 2009-subaru-impreza-2 5 i CNC porting is not onlyIAG 1000+ EJ25 Closed Deck Long Block w Stage 5 Heads: The IAG Performance Hand Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. The Long Blocks feature a combo of our proven IAG Performance Closed Deck Short Block and Cylinder Head packages, along with other race proven components to complete the assembly. When paired with our Long Block Install Packages, you have a true plug and play