IAG 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 08-20 STI. 2009-subaru-impreza-2 5 i MDS dampers are ideal for

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

Ferrea Copper/Bronze Valve guides and GSC Billet Stage 3 camshafts

The spring tension of the segmented retaining ring is carefully calculated and tested for optimal performance

The filter is either directly attached to the engine carburetor or throttle body or indirectly through a tube assembly running from the filter to the engine

IAG 1000+ Closed Deck Long Block Engine w/ Stage 5 Heads for 08-20 STI. 2009-subaru-impreza-2 5 i MDS dampers are ideal forIAG 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