Description
- Modifies compression, allowing one more gear to be used, improving power delivery and engine torque
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Recommended for use at an average altitude of 3,280 ft
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Design manages to lower operating temperature by eliminating the typical hot spots of OEM cylinder heads
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Ideal for aggressive riding
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All kits include: cylinder head cover, insert, and o-rings
Fits:
2021-2025 Rieju MR 250
2018-2019 GasGas EC/XC 250