- Standard Bore: 95mm
- Machined from 2618 T6 high tensile forged aluminum
- Dome/Dish features smooth flowing radii and require no deburring or preparation
- Specifically engineered for extreme applications including professional competition
- Pins, pin fitment, lock and rings included
| Displacement (cc): | 439 |
| Bore Size (mm): | 95 |
| Oversize (mm): | STD |
| Comp Ratio: | 12.5:1 |
| Weight (g): | 288 |
| Skirt Style: | FSR |
Pistons - Yamaha 2004-2005 YFZ 450
- Product Code: JE-221796
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