Check out those Heatsinks....They're ALSOME !!! If you dont see one for your engine, ask us about it.
If your looking for a worthwhile upgrade for a .12 or .21 engine , then the N.N. high performance lightweight heads or heat sinks should be your choice. The .21 measures an outstanding 63mm round and 43mm tall. The .12 version is 40mm round and 43mm tall. The .15 heads and .12 Rear exhaust heatsinks are 47mm in round and 43mm tall. These heads ARE NOT CAST ALUMINUM !!! They have a really attractive look being made on precision CNC equipment out of a solid piece of very high quality aluminum. This also allows for superior cooling especially during hot and humid weather. The heads will give better use of power & efficiency, which can also lead to increased engine life. The .12 and .15 heads are $ 50.00. Except for the Traxxas 2.5 heads, they are $ 55.00. The .21 heads are $ 65.00.
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.21 Novarossi, RB Concept, HPI Nitro Star
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.12 O.S.max V.S. .12 N.N.
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Novarossi .12 V.S. .12 N.N.
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