JE Ultra Series forged piston set for the Honda K20C (Civic Type R FK8). 86mm bore, 10.0:1 compression. Uses JE's Aligned Grain Flow forging with a thermal-barrier crown coating, skirt coating and lateral gas ports — built for high-boost builds. Made in the USA. Set of 4.
| Type | Ultra Series forged piston set |
| Engine | Honda K20C |
| Bore | 86mm |
| Compression | 10.0:1 |
| Material | Forged aluminum |
| Quantity | Set of 4 |
| Part Number | 361278 |
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