Outfront Motorsports Billet Breather Caps for EJ25D-EJ20G-EG33 Phase 1 Engines BRZ/FRS Shortblocks The intake will still require

The intake will still require 19mm Spacers in order to clear AVCS solenoids if installing on AVCS heads

2014 Subaru Impreza WRX STI 2

5L AT 4WD GT Sedan 1997

047” and has a 100mm bore size

000 (4 cyl direct fire)

Outfront Motorsports Billet Breather Caps for EJ25D-EJ20G-EG33 Phase 1 Engines BRZ/FRS Shortblocks The intake will still requireUse these billet valve cover breather caps to clean up your plumbing on you EJ20 or EJ25D engine. They come black anodized with stainless hardware. Each breather cap has a NPT holes for fittings. These fit the valve covers that have 6 bolts holding them to the engine. Will not fir 8 bolt valve covers.