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JE FSR Forged Pistons Subaru WRX EJ255 83mm Stroker Crank 99.75mm +0.25mm -21.1 cc 9.1:1
SKU
296352
$782.65
Available
Description
SUBARU 2006+ WRX EJ257
- Time Attack FSR Pistons now available!
- 2618 T6 high tensile forged aluminum
- JE designs are specifically engineered for extreme applications up to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy.
- Dome and dishes feature smooth flowing radii for excellent flame travel.
- 1.2 x 1.2 x 2.5mm ring widths.
- .905 x 2.500 straight wall carbon steel wrist pin provided.
- Pin fitting and wire locks included
- Rings Now Included
- NOTE: NOW COMPATIBLE WITH EITHER OEM OR AFTERMARKET RODS!
- SOME BLOCKS MAY REQURE CLEARANCING FOR STROKER APPLICATIONS.
Specifications
| Availability New | In Stock / Available |
| Item Weight | 391 g |
| Shipping Weight (Dimensional) | 5.650000 |
| Clearance Sale | Yes |
| On Sale | On Sale |
| Availability | Available |
| Part Type | Pistons |
| Make | Subaru |
| Vehicle Model | WRX STi |
| Model | WRX 06-07 GD, WRX 06-07 GG, WRX 08-14 GR |
| Engine | EJ255 |
| Rod Length | 5.137" / 130.5mm |
| Rod Length Oversize | Standard Length |
| Bore Diameter | 99.75mm |
| Bore Oversize | 0.010" / 0.25mm |
| Stroke | 83mm (2.7L Stroker) |
| Compatible with Stock Sleeves | Yes |
| Requires Aftermarket Sleeves | No |
| Compression Ratio | 9.1:1 |
| Compression Ratio Range | 9.0:1 - 10.0:1 |
| Pin Size | 0.905" / 23mm |
| Included Ring Set | JG4904-3927 |
| Included Pin | 905-2250-18-51S |
| Head cc | 51 cc |
| Dome cc | -21.1 cc |
| Compression Height | 1.130" / 28.7mm |
| Piston Coating | Skirt Coating |
| Brand | JE Pistons |
| Skirt Type | Slipper Skirt |
| Piston Material | 2618 |
| Carb Legal | Unspecified |
| Wrist Pin Wall Thickness | 0.180" |
| Wrist Pin Dimensions | .905" x 2.250" x .180" |
| Pin Material | 5115 Steel |
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