12006AD470 Subaru PISTON SET 0.25, Price: 35.73$, Weight: 0.435kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
12006AD470 |
PISTON SET 0.25 |
33 |
0.435 |
7-10 |
35.73$ |
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Subaru |
PISTON SET 0.25
|
80 |
0.5
|
2-3
|
40.86$
|
Substitutions
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Subaru |
12006AC950
|
PISTON SET,OS,0.25
|
0 |
0.656
|
-
|
43.83$
|
Not Available |
Compatibility
Engine Piston & Ring Oversize Kit (0.25) 🔧
This oversize piston set is needed when an engine cylinder has been worn or lightly scored and must be honed or re-bored. By moving to a 0.25 oversize, the engine regains the correct piston-to-wall clearance, restoring compression and smooth power delivery.
How It Works ⚙️
The piston travels up and down inside the cylinder, turning combustion pressure into crankshaft rotation. The ring pack seals the chamber, controls oil on the cylinder wall, and transfers heat from the piston to the block. Correct sizing keeps slap, blow-by, and oil consumption under control.
Why Replacement Matters ✅
When pistons or rings are damaged or wrongly sized, the engine may suffer low compression, misfires, smoking exhaust, high crankcase pressure, and poor fuel economy. In severe cases you can get piston scuffing, broken ring lands, cylinder damage, and eventual engine failure.
Common Signs of Trouble 🚨
- Blue smoke and rising oil use
- Knocking or piston slap when cold
- Loss of power and uneven idle
- Low compression test results
Compatibility
- Legacy
- Tribeca