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Mahle MS PowerPak Plus Forged Pistons Subaru Impreza WRX STi EJ257 99.5mm STD -14.1 cc 9.0:1
SKU
930285417
$866.77
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Description
The Mahle PowerPak Plus is a complete, race proven piston assembly kit.
It is composed of hand deburred, forged, performance coated pistons, high quality steel pins, round wire locks and low drag performance file fit rings.
Performance coatings include a phosphate dry lubricant that is used to protect against ring micro-welding and pin galling during initial startup and break in. For added performance, MAHLE applies its proprietary Grafel anti-friction coating to each piston skirt.
Specifications
| Note | PowerPak Plus 2618 Alloy & Hard Anodized Top Ring Groove For Extreme Duty Applications. |
| Item Weight | 403.1 g |
| Shipping Weight (Dimensional) | 6.000000 |
| Clearance Sale | No |
| Availability | Call |
| Part Type | Pistons |
| Make | Subaru |
| Vehicle Model | WRX STi |
| Model | STi 04-07 GD, STi 08-14 GR, STi 15+ VA |
| Engine | EJ257, EJ257B |
| Rod Length | 5.137" / 130.5mm |
| Rod Length Oversize | Standard Length |
| Bore Diameter | 99.5mm |
| Bore Oversize | Standard Bore |
| Stroke | 79mm (Standard Stroke) |
| Compatible with Stock Sleeves | Yes |
| Requires Aftermarket Sleeves | No |
| Compression Ratio | 9.0:1 |
| Compression Ratio Range | 8.0:1 - 9.0:1, 9.0:1 - 10.0:1 |
| Pin Size | 0.905" / 23mm |
| Head cc | 56 cc |
| Face Type | Dish |
| Dome cc | -14.1 cc |
| Compression Height | 1.208" / 30.7mm |
| Piston Coating | Skirt Coating |
| Skirt Type | Slipper Skirt |
| Piston Material | 2618 |
| Carb Legal | Unspecified |
| Wrist Pin Wall Thickness | 0.187" |
| Wrist Pin Dimensions | .905" x 2.260" x .187" |
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