Pay in 4 interest-free payments of $43.75 Learn more
Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Totally 100% stock and running
Nice replacement crankshaft from Airsal
Polini cast iron 49mm 80cc cylinder kit for 4-stroke engines found on the Vespa ET4
This kit will require boring your cases
Derbi Revolution J.Costa Race Variator and Clutch Kit 305 Totally 100% stock and runningA variator and clutch kit like we have never seen before. J. Costa Race kit for Derbi Start 3 and Start 5 engines. This kit includes a front IT50Pro variator with 3 sets of weights for fine tuning. The rear clutch uses a unique transverse action for a faster response than a traditional clutch. Is reinventing the wheel the solution for your track prepped Derbi? Maybe? J. Costa developed this setup with the race course in mind.
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US$ 19.99
