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Manley Platinum Series Turbo Tuff Piston Set - 8.5:1 (EJ25)
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Manley Platinum Series Turbo Tuff Piston Set - 8.5:1 (EJ25)
The best aftermarket Subaru piston company just got even better with our new Turbo Tuff lineup targeted specifically for EJ25 engines. By incorporating proven design enhancements from our "Formula-Won" piston forging, we've created the ultimate Subi piston to withstand the rigors of the highest boosted and stressed applications yet still run "quietly" and trouble-free for the daily driver.
Like all Manley Subaru pistons, these are made from 2618 alloy, utilize an offset wrist pin design, are skirt coated and include our standard 2.500" x .180" wall premium chrome moly wrist pin (P/N 42346). Premium steel top rings with Napier style second rings and higher tension oil rings for ultimate oil control are included with each set along with round wire locks.
Recommended clearance: .003" for mildly boosted and .0035" for highly boosted measured .850" (79/83mm Strokes) and 1.100" (75mm Stroke) from the bottom of the oil ring groove.
Manley Subaru EJ257 pistons now include Napier style second rings and higher tension oil rings (by Total Seal) for superior oil control
FEATURES
- 2618 high strength material
- Offset wrist pin for quiet start-ups
- 2.500” x .180” wall Premium Chrome Moly pin (Standard Series) included P/N 42346
- Pressure balance groove
- Will accommodate +1mm valve sizes
- Premium Steel top rings with Napier seconds and round wire locks included
- Recommended piston clearance: .003” for mildly boosted and .0035”
for highly boosted measured .850” (79/83mm stroke) and 1.100” (75mm stroke)
from the bottom of the oil ring
AVAILABLE SIZES
- STD - 99.5mm Part# 632200C-4
- +0.25 - 99.75mm Part# 632202C-4
- +0.50 - 100mm Part# 632205C-4
| Model | Fitment Confirmation |
|---|---|
| EJ255 | ✓ |
| EJ257 | ✓ |
WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to P65Warnings.
| SKU | Manley Platinum Series Turbo Tuff Piston Set - 8.5:1 (EJ25) |
|---|---|
| Brand | Manley |
| Product Type | Engine |
| Engine | Engine Internals |
