Complete set of Wstandard reinforced valve springs
Suitable for most mini engines (50cc to 150cc LIFAN, SKYTEAM, JIALING, Zongshen, YX etc...)
Very robust! RACE SPECIAL! Lower springs than some original springs, but much harder.
Coil height: 29.5mm
Coil spring outer diameter: 21mm
Large spring inner diameter: 16mm
Small spring height: 28mm
Small spring outer diameter: 14.5mm
Small spring inner diameter: 15mm
