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No cooling system is complete without a coolant filler neck. Speedway Motors stocks all types of coolant filler necks to best suit your specific application. From reproduction restoration necks to inline filler necks to custom radiator fill necks and block thermostat housings you can be sure to find the correct filler neck without breaking the bank. Complete the cooling system on your next race car, daily driver, or restoration project with help from Speedway Motors and coolant filler necks!

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$82.99
$87.87

Universal Fit, 1.50" Tube O.D., 1.37" Tube I.D.

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Universal Fit, 2.23" Overall Diameter, Aluminum

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Universal Fit, 2.00" Overall Height, Aluminum, Natural

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Universal Fit, 1.50" Tube O.D., 1.37" Tube I.D.

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Universal Fit, 2.11" Outside Diameter, Brass, Polished

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$62.99
$65.87

Universal Fit, 2.00" Overall Height, Natural

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Universal Fit, 2.12" Outside Diameter, Brass, Chrome

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