Athena Cut Ring Head Gasket For EJ25 2007+ Water Passages (101.3mm Bore) FA20 Cams IP67/IP69K Waterproof rating – Guaranteed

IP67/IP69K Waterproof rating – Guaranteed to be dust tight and sealed against water immersion to a depth of 1 meter for up to 1 hour

Progressive cut control

Note: Tap is custom length and thread design for the Outfront 1/2" head studs

2007 Subaru Impreza WRX STI 2

Athena Cut Ring Head Gasket For EJ25 2007+ Water Passages (101.3mm Bore) FA20 Cams IP67/IP69K Waterproof rating – GuaranteedFor high horsepower applications, engine performance can be significantly improved by using these Cooper Ring gaskets that are supplied with INOX steel rings. This technology outperforms conventional fire ring solutions. This configuration includes: Cooper Rings are Oversize (fits for stock and oversize bores). Silicon based beading is applied on critical areas to improve sealing around all cooling water and oil passages. Gasket thickness is 1. 2mm .