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O.S. 21XR-B ver.III
OS1CY00
O.S. 21XR-B ver.III
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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:
MLC fin cooling head Black for OS R21
62,50 €
Banana Plug 4mm gold plated(pair)
3,50 €
HIPEX manifold 21Buggy S48
26,00 €
Engine maintenance Oil 30ml
7,15 €
O.S. MAX R21
233,27 €
Wristpin OS 21XZ
4,16 €
NEEDLE HOLDER (21M) 21XZ-R
8,00 €
Conrod 21VZ-R.V-SPEC.21VZ-M
24,99 €