Primary Kit 23-65 (6 Springs)

From the famous FOUR DRIVE for Vespa PX first series comes a new generation of specific gears for Vespa. Shaved straight tooth transmission gears with calculated ratio for tuned engines. Made of case-hardened, ground and tempered steel, they are extremely resistant and silent. Applications: Vespa GL 150, Vespa GT 125, Vespa GTR 125 Prima Serie, Vespa SUPER 125, Vespa SUPER 150, Vespa TS 125, Vespa PX 125, Vespa PX 150, Vespa PX 80, Vespa VBB 150, Vespa VNB 125, Vespa Cosa 125, Vespa Cosa 150, Vespa SPRINT 150, Vespa SPRINT V. 150 First Series, Star 125 2T, Star 150 2T, Vespa GTR 125 Second Series, Vespa SPRINT V. 150 Second Series, Vespa Old Elaborazione Turismo, Vespa PX 125/150 Tourism processing.