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Big Bore Kit for 4 Stroke 90cc Engines - Upgrade to 100cc


Installing a big bore is the best way to increase engine performance!
Upgrade from 90cc Engine to a 100cc Engine!

Parts Specs:
Pistion diameter: 50mm
Ring diameter: 50mm
Cylinder: 50mm

This kit includes the following
1pcs Cylinder, Piston + Piston Ring Kit, 2pcs Wist pins, Needle Bearing, Gasket set

Fits on 4 Stroke 90cc Engines

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