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BBC PRO1 Marine Heads |
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| The trend-setting Pro1 heads have been completely redesigned inside and out! Dart Marine PRO1 cylinder heads feature an exclusive chromate surface finish to inhibit corrosion and extend the life of the head, and are fitted with Inconel exhaust valves to withstand the extended running time and temperatures typical of marine usage. A new highly efficient chamber with improved fuel distribution, spark plugs located as high and and as close to the center of the chamber as possible and five-angle intake seats to shear the liquid fuel and air as it enters the chamber are the product of wet-flow research. Additional features which really set these heads apart include a new exhaust port design, new exhaust face and fully machined end pads. |
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