IAG 550 Long Block Engine w/ IAG 550 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT Long Block: Required:2018+ STI RA 2019+ STI & S209 - PN# IAG-ENG-L550N Air Lift Performance 3P Management

Air Lift Performance 3P Management Includes:

Integrated hinges

Our IAG 950 Short Block

the AOS (Air Oil Separator) kit is responsible for keeping blow-by oil and other pollutants out of the intake pipe

there is no further maintenance required

IAG 550 Long Block Engine w/ IAG 550 Heads for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT Long Block: Required:2018+ STI RA 2019+ STI & S209 - PN# IAG-ENG-L550N Air Lift Performance 3P ManagementLEAD TIME 4 6WEEKS IAG 550 LONG BLOCK ENGINE WITH IAG 550 HEADS FOR 02 14 WRX, 04 21 STI, 04 13 FXT, 05 09 LGT A "DROP IN" SOLUTION The IAG Performance Hand Built 550 Subaru EJ25 Long Block Packages are a complete, valve cover to valve cover, crate engine. These long block engines offer significant ease of installation for customers seeking a complete "drop in" engine package for their Subaru WRX, STI, Forester XT or Legacy GT. The Long Blocks feature