12033AB350 Subaru RING SET-PISTON, Price: 92.62$, Weight: 0.268kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
12033AB350 |
RING SET-PISTON |
30 |
0.268 |
7-10 |
92.62$ |
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Subaru |
RING SET-PISTON
|
10 |
0.308
|
2-3
|
101.21$
|
Compatibility
| Body | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Train | Diagram |
|---|---|---|---|---|---|---|---|
| ワゴン | 2.5L EMPI SOHC NA | IS アルカンターラセレクシヨン (-C) | Japan | 05.2010 | 06.2011 | フルタイム4リンクドウ | View |
| Body | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Train | Diagram |
|---|---|---|---|---|---|---|---|
| WAGON | 2500CC EMPI DOHC TURBO | XT LTD PLUS | USA | 05.2011 | 11.2012 | FULLTIME 4WD | View |
| Body | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Suspension | Diagram |
|---|---|---|---|---|---|---|---|
| WAGON | 2500CC EMPI SOHC NA | OUTBACK-SE | USA | 06.2006 | 06.2007 | NORMAL SUSPENSION | View |
| Body | Engine | Vehicle Grade | Market | Model Year From | Model Year To | Train | Diagram |
|---|---|---|---|---|---|---|---|
| WAGON OUTBACK | 2500CC EMPI DOHC TURBO | 25XT LIMITED | USA | 03.2008 | 04.2009 | FULLTIME 4WD | View |
Engine Piston Ring Kit for Subaru Boxer 🔧
Precision-matched rings restore factory compression in Subaru flat-four engines. Built to OEM clearances, they seal combustion, control oil, and move heat from the piston to the cylinder wall. Ideal for engine rebuilds, curing blue smoke, and reducing oil consumption. 🛠️
Why you need it
Install when compression drops, exhaust shows blue haze, spark plugs foul, or the block has been honed/overhauled. Fresh rings bring back crisp starts, clean burn, and stable idle.
How it works
Three-stage design: a moly-faced top ring holds peak pressure; a second scraper limits blow‑by; a multi-piece oil control (rails + expander) meters film thickness. Ring tension expands to the cylinder, following the cross‑hatch to keep a tight seal through every stroke. 🚗
If damaged or worn
Symptoms include loss of power, misfire under load, heavy crankcase vapors, rising oil use, blue smoke, and failed emissions. Continued driving risks scored bores, stuck rings, and catalytic converter damage.
Install notes
Measure bores, set correct end‑gaps, stagger openings 120°, face marks up, check side clearance, oil lightly, and perform proper break‑in.
Compatibility
- Legacy
- Impreza
- Forester
- Exiga