13202AA412 Subaru VALVE-EXH, Price: 37.61$, Weight: 0.2kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
13202AA412 |
VALVE-EXH |
0 |
0.2 |
2-3 |
37.61$ |
| Not Available | ||||||
Compatibility
| Body | Engine | Vehicle Grade | Market | Model Year From | Train | Gearbox | Diagram |
|---|---|---|---|---|---|---|---|
| SEDAN | 2500CC EMPI DOHC TURBO | STI TYPE RA | USA | 01.2017 | FULLTIME 4WD | 6SP MANUAL TRANSMISSION | View |
Exhaust Valve – Performance Grade for Subaru Turbo Engines
Why this part is needed
This precision valve seals the combustion chamber and releases hot exhaust gases on time. Strong sealing restores compression, smooth idle, clean emissions, and sharp turbo response. Built from heat‑resistant steel, it handles extreme heat and high RPM, preventing power loss and protecting the catalytic converter.
How it works
The cam lifts the bucket/rocker, the valve lifts off its seat, gases flow to the manifold, then the spring snaps it shut to make an airtight seal. A hardened 45° face and nitrided stem keep wear low, while correct stem‑to‑guide clearance maintains oil control and straight travel. Proper geometry keeps your boxer engine breathing efficiently .
What happens if it’s damaged
Burnt or warped edges cause low compression, misfire, rough idle, and weak boost. Sticking can create tapping noise, hot‑start trouble, and smoky exhaust. A bent or broken head may drop into the cylinder, destroying piston, head, and turbo—stop driving. During service, inspect seat width, lap lightly if needed, replace stem seals, verify spring height, and set valve lash/timing per service data for a reliable seal.
Compatible models
- WRX