This is a replacement 12.2x1mm header O-ring for the Traxxas 2.5 and 2.5R engines. This small O-ring goes inside the exhaust manifold to properly seal the manifold to the back of the engine.
Traxxas 5256 O-ring, header 12.2x1mm (TRX 2.5)
SKU: 020334525604
$1.20Price
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