12006AC380 Subaru PISTON SET OS0.50, Price: 46.85$, Weight: 0.565kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
12006AC380 |
PISTON SET OS0.50 |
0 |
0.565 |
7-10 |
46.85$ |
| Not Available | ||||||
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Subaru |
PISTON SET OS0.50
|
38 |
0.65
|
2-3
|
39.40$
|
Compatibility
0.50 mm Oversize Piston Kit for Subaru Boxer Engines 🔧
Why you need it
When a Subaru engine shows cylinder wear, scoring, or oil burning, the correct fix after machining is an oversize piston. This 0.50 mm repair size restores factory compression, quiets piston slap, and stabilizes oil control. Ideal for rebuilds after overheating, detonation, or high mileage. 🚗
How it works
The piston rides the bore, turning combustion pressure into crank rotation. Compression rings seal gases, the oil ring scrapes excess oil, and the skirt coating reduces friction. Correct clearances with a 0.50 mm overbore give a tight seal and clean burn. Expect smoother idle, stronger pull, and lower blow-by. 🛠️
What if it’s worn or broken
Symptoms include blue smoke, heavy oil use, knocking on cold start, fouled plugs, and low compression. Keep driving and you risk scuffed skirts, ring land breakage, bore damage, and even seizure—often taking out the catalytic converter too. Fix it right with matched pistons and rings.
Fitment & install notes
OEM-grade alloy, 0.50 mm oversize. Use with honed/rebored cylinders only. Always measure bores, set ring end-gaps, orient arrow to front, and torque to spec. New pins and clips recommended. Professional machining strongly advised. 🧰
Compatibility
- Impreza
- Forester