IAG 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams for 04-07 STI. 2020-subaru-wrx sti-sport Prothane 09-10 Subaru Forester Total

Prothane 09-10 Subaru Forester Total Kit - Black

1/8th inch NPT plug is also included in the event that the sensor port is not used

improves crankcase ventilation and is compatible with standard ECU calibrations

The baffle is engineered to be removable for future upgrades and easy cleaning

0 Valve Guide and Seat Machine to cut all intake and exhaust seats with a multi-angle valve job that suits the flow characteristics of GSC's +1mm valves

IAG 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams for 04-07 STI. 2020-subaru-wrx sti-sport Prothane 09-10 Subaru Forester TotalIAG 900 EJ25 Closed Deck Long Block w Stage 4 Heads: The IAG Performance Hand Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. These engines offer easy installation for customers seeking a complete "drop in" engine package for their WRX, STI, Forester XT or Legacy GT. The Long Blocks feature a combo of our proven IAG Performance Closed Deck Short Block and Cylinder Head packages, along