Manley Race Master Stainless Steel Exhaust +1mm Oversized Valves - 2002-2005 Subaru WRX / 2004-2021 STI

Manley Race Master Stainless Steel Exhaust +1mm Oversized Valves Subaru WRX 2002-2005 STi 2004+The Manley Race Master 33MM Exhaust Valves are available for those of you who are currently rebuilding their engine or heads. These are crafted from XH-426 Xtreme Alloy Material that feature chrome stems and hardened valve tips. These valves are also swirl polished and fully machined ready to install. If you have to re-machine heads due to the unfortunate event of a snapped timing belt, or if you are getting your heads re-machined then it makes sense to upgrade to a high-performance valve designed to sustain moderate modifications.