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This head flange is for the Honda B-Series These high quality made in the USA flanges are 1/2″ thick made from 1018 steel. They feature full 3D CNC porting ensuring a smooth transition from the port shape to the runner piping without the need for porting/crushing the piping.
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2026
$66.99