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Summit Racing™ Radiator Water Filler Necks

4.18 out of 5 stars 22 Customer Reviews

Made from cast aluminum for a smooth look, these Summit Racing™ radiator water filler necks are designed to go inline in the radiator hose. They include two 1 1/2 in. outlets and a 1/8 in. NPT overflow. They use a standard radiator cap and accept a 1 1/2 in. radiator hose.

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