JE Ultra Series forged piston set for the Subaru EJ25. 8.5:1 compression. Uses JE's Aligned Grain Flow forging for maximum tensile strength, with a thermal-barrier crown coating, skirt coating and lateral gas ports — built for high-boost power-adder builds. Made in the USA. Set of 4.
Specifications
| Type | Ultra Series forged piston set |
| Engine | Subaru EJ25 |
| Compression | 8.5:1 |
| Features | Aligned Grain Flow, thermal-barrier crown, gas ports |
| Material | Forged aluminum |
| Quantity | Set of 4 |
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