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800.979.0122

(CST) 7am - 10pm

Race and Rod Tech Support

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855.313.9180

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Radiator Filler Necks

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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Earls Performance Earls Performance Speedway Speedway
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Inline Die Cast Filler Neck, 1.5 Inch Hose
Inline Die Cast Filler Neck, 1.5 Inch Hose
$23.99
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This is a universal fit part. It may require some customization to work on your vehicle.
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Speedway Weld-On Billet Aluminum Radiator Filler Neck
Speedway Weld-On Billet Aluminum Radiator Filler Neck
$14.99
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This is a universal fit part. It may require some customization to work on your vehicle.
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Inline Fabricated Filler Neck, 1 1/2 Inch Hose
Inline Fabricated Filler Neck, 1 1/2 Inch Hose
$39.99
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This part is in stock.
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This is a universal fit part. It may require some customization to work on your vehicle.
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Model T Filler Neck, Chrome
Model T Filler Neck, Chrome
$39.99
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Radiator Neck Kit
Radiator Neck Kit
$19.99
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Model T Filler Neck, Brass
Model T Filler Neck, Brass
$29.99
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Earls 166014ERL Radiator Filler Necks, 32mm Opening
Earls 166014ERL Radiator Filler Necks, 32mm Opening
$25.99
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Earls 166015ERL Radiator Filler Necks, 1.5 Inch Opening
Earls 166015ERL Radiator Filler Necks, 1.5 Inch Opening
$25.99
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Garage Sale - Model T Filler Neck, Brass
Garage Sale - Model T Filler Neck, Brass
$29.99 $19.99
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Brand
Earls Performance Earls Performance Speedway Speedway
Product Line
Speedway Coolant Filler Necks Speedway Coolant Hose Connectors Speedway Radiator Necks
Department
Street Rod T-Bucket Oval Track Classic Truck Muscle Car Drag Racing Open Wheel
Customer Rating
1 stars & up 2 stars & up 3 stars & up 4 stars & up
Price
$25 - $100000 $15 - $20 $10 - $15 $20 & up

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Overall Height
2.00
Overall Length
4.47
Overall Diameter
2.23
Inside Diameter
1.12 1.18
Outside Diameter
1.50 1.87 2.11 2.12
Base Diameter
2.96 3.00
Tube O.D.
1.51
Tube I.D.
1.37
Tube Length
6.18
Filler Neck Height
1.03 1.38 2.57 2.60
Thread Pitch
1/8" NPT 2"-18
Material Type
Aluminum Brass
Finish
Natural Polished Chrome
Inlet Size
1.5
Inlet Length
2.5
Outlet Length
3
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