O.S. MAX 12TZ (P) - T3 OS L-OS11373 tition use. This 3-port version is legal for all 1/10th on road classes in the UK. It will fit many 1/10th off roaders as well! This completely new engine shares very little with its 12TR predecessor and has been designed with one aim in mind winning!! Just a look at the purposeful and super-smooth carburettor or that stunning machined cylinder head tells you all you need to know about the OS attention to detail.
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