The Racing Reed Valve Kit -Suitable for 40mm and 32mm Intake -2In1- 66cc/80cc Gas Motorized Bicycle.
It works well on normal piston and cylinder, Better performance If works with windowed piston.
The specific size of the product, such as the detailed drawing given for reference.
Package include: 1 x Reed Valve Kit with 2 size inlet (19mm&25mm)
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