IAG 1150 2.35L Destroked Long Block Engine w/ IAG 1150 Heads & S2 Cams for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT IAGOP15 A closed-loop system also promotes

A closed-loop system also promotes negative crankcase pressure for optimal performance

but once they are installed they automatically tension

Confirmed Exhausts that do not fit:

Sleek One-Piece Design

IAG 1150 2.35L Destroked Long Block Engine w/ IAG 1150 Heads & S2 Cams for 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT IAGOP15 A closed-loop system also promotesIAG 1150 2. 35L DESTROKED LONG BLOCK ENGINE W IAG 1150 HEADS IAG 1150 2. 35L Destroked Long Block Engine for 0214 WRX, 0421 STI, 0413 FXT, 0509 LGT DROP IN AND DRIVE The IAG Performance hand built Subaru 1150 2. 35L Destroked Long Block Engine package is a complete, valve cover to valve cover crate engine. This engine provides a straightforward drop in solution for those looking to upgrade their 20022014 Subaru WRX, 20042021 Subaru STI, 20042013