Reinforced valve springs for old and new models HONDA type 6V and 12V.
Adaptable on LIFAN 110cc to 150cc, LONCIN, JIALING, YX.
Very robust, to avoid a distress of valves at the time of big rises in speed.
Reinforced models type KITACO (attention different dimensions).
Big spring dimensions
Height : 29.8mm
Outside diameter : 22,5mm
Inner diameter: 17.7mm
Wire diameter: 2.5mm
Small spring dimensions
Small spring height: 25.5mm
Outside diameter: 14,4mm
Inside diameter: 11mm
Wire diameter: 1.8 mm
