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45mm K-Star kit for Puch mopeds
this head can lower temps due to a better combustion geometry and make more power from a squish band that is designed to work with the stepped face of the Polini piston
The higher performances
Clutch Bell in deep-drawn steel
A lot of 4 bolt sprockets look the same until you try to bolt one on
Derbi Start 5 Selettra Race Ignition 90 45mm K-Star kit for PuchSelettra CDI for Derbi Start 5 engines! Awesome inner rotor racing ignition. This does not have lights! Battery and LED tech is pretty good though so not the end of the world. A couple locals in Atlanta are running these with a battery pack for lights and its a breeze to charge them when parked at home. This is ONLY for Start 5 engines. This will not fit other Derbis. This is a high quality ignition capable of reliable spark up to 27,000 RPM (let us
