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361328
For Subaru EJ Series
JE Pistons Ultra Series pistons for sport compact and euro applications combine all of the best, most desirable piston features, such as thermal barrier crown coating, lateral gas ports, thick-wall wrist pins, and a revolutionary new forging technology for the ultimate in strength. Premium, gas-nitrided carbon steel rings are included.
| Bore Diameter | 99.75 |
|---|---|
| Compression Height | 1.209 |
| Piston Volume | -16.9 |
| Cylinder Head | EJ257 STI |
| Piston Pin Outside Diameter | 0.905 |
| Piston Pin Length | 2.250 |
| Piston Pin Material | 9310 |
| Ringset Included | Yes |
| Top Compression Ring Thickness | 0.0475 |
| Second Compression Ring Thickness | 0.048 |
| Oil Ring Thickness | 0.0995 |
| Piston Material | 2618 |
| Forging Type | FSR |
| Piston Avg Weight | 427 |
| Pin Wall Thickness | 0.210 |
| Piston Type | Dish |
| Product Market | Sport Compact |
| Prop 65 Yes/No | Yes |
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