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O.S. 21XR-B ver.III
OS1CY00
O.S. 21XR-B ver.III
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Availability date:
The O.S. 21XR-B Ver.2 club-level nitro GT and off-road engine.
The power plant targets club level drivers and it features the 21J3 3-needle carburettor with 7mm and 8mm venturi inserts.
Tech specifications:
Rivet carrosserie 2.6mm WHITE
3,33 €
Soldering tin 3m - HUDY
6,69 €
Crankshaft VS R04 Bi-Turbo(DLC)
140,00 €
Rear cover VS Buggy
24,00 €
OS Glowplug P3
6,65 €