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O.S. MAX R21
OS1B900
O.S. MAX R21
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The O.S. MAX R21 club-level nitro on-road engine.
The power plant targets club level drivers and it features compatibility of sparepart of the R2101/R2102 and R2103.
Tech specifications:
Piston/Liner/Conrod VS R03
143,04 €
Manifold VS 21 ON ROAD M320
20,70 €
OS Glowplug RP7
11,34 €
Manifold MR03 for 1/8 racing
41,36 €
Kit Piston/Liner/Conrod OSSPEED R2103
130,00 €
GLOW PLUG WRENCH / CLUTCH NUT WRENCH
22,54 €
OS SPEED PISTON PIN RETAINER PLYERS
29,00 €
COMBO O.S. R21/EFRA 2069
249,48 €