PISTON KIT 2025-26 KX250 78.00 B, PROX 01.4355.B
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PISTON KIT 2025-26 KX250 78.00 B, PROX 01.4355.B. This piston kit offers standard compression performance with precise engineering for reliable operation. Manufactured to meet OEM specifications, it ensures compatibility and consistent power delivery in high-performance conditions. Piston diameter: 77.97mm. Compression: Standard (14.0:1). Size: B. Cross-Reference OEM Part Numbers: PROX 01.4355.B. Manufacturer: Pro-X Racing. Weight: 105g.
- SKU
- 56-W8839.B.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
Fitments (2)
| Make | Model | Year |
|---|---|---|
| KAWASAKI | KX 250 | 2025 |
| KAWASAKI | KX 250 | 2026 |
- Variant Id
- 346598
FULL DESCRIPTION
ProX Piston Kit - Standard Compression - 78.00mm Bore Size B
This ProX Piston Kit is meticulously engineered to provide reliable performance for your motorcycle. Designed for standard compression ratios, this kit ensures consistent power output and durability for demanding riding conditions. Each component is manufactured to precise specifications, meeting or exceeding OEM quality to guarantee a perfect fit and optimal function.
Key Features:
- Precision Engineered: Manufactured to exacting standards for a perfect fit and reliable operation.
- Standard Compression: Delivers performance consistent with original equipment specifications, ensuring a balanced power curve.
- High-Quality Materials: Built to withstand the rigors of high-performance use.
- Direct Replacement: Designed to replace the original piston, simplifying installation.
Specifications:
- Piston Diameter: 77.97mm
- Compression Ratio: Standard (14.0:1)
- Bore Size: B
ProX Part Number: 01.4355.B
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
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