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Radiator Caps & Filler Necks

Ace Race Parts offers 6061 aluminum radiator filler neck replacements in two common sizes, Small and Large, along with a Koyo and Mishimoto brand high-pressure radiator caps. Each radiator filler neck is precision CNC machined from billet 6061 aluminum and features a two piece threaded design. Available in small and... Read More

Weld On Radiator Filler Neck - Small (1.250" ID, 0.750" Outlet) - 6061 Aluminum

SKU 17001
Original price $ 21.95 - Original price $ 21.95
Original price
$ 21.95
$ 21.95 - $ 21.95
Current price $ 21.95
25+ in stock

Ace Race Parts offers Weld On Radiator Filler Necks that are precision CNC machined from solid 6061 Aluminum billet and come with a 1/16" NPT x 1/4...

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Weld On Radiator Filler Neck - Large (1.650" ID, 1.092" Outlet) - 6061 Aluminum

SKU 17002
Original price $ 22.95 - Original price $ 22.95
Original price
$ 22.95
$ 22.95 - $ 22.95
Current price $ 22.95
25+ in stock

Ace Race Parts offers Weld On Radiator Filler Necks that are precision CNC machined from solid 6061 Aluminum billet and come with a 1/16" NPT x 1/4...

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Tank Weld Bung with Thread On Cap - 1.000" ID - 6061 Aluminum

SKU 17003
Original price $ 34.99 - Original price $ 34.99
Original price
$ 34.99
$ 34.99 - $ 34.99
Current price $ 34.99
25+ in stock

Ace Race Parts offers Tank Weld Bungs that are precision CNC machined from solid 6061 Aluminum billet and come with a thread-on cap featuring an O-...

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Tank Weld Bung with Thread On Cap - 1.500" ID - 6061 Aluminum

SKU 17004
Original price $ 34.99 - Original price $ 34.99
Original price
$ 34.99
$ 34.99 - $ 34.99
Current price $ 34.99
25+ in stock

Ace Race Parts offers Tank Weld Bungs that are precision CNC machined from solid 6061 Aluminum billet and come with a thread-on cap featuring an O-...

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Tank Weld Bung with Thread On Cap - 2.000" ID - 6061 Aluminum

SKU 17005
Original price $ 38.99 - Original price $ 38.99
Original price
$ 38.99
$ 38.99 - $ 38.99
Current price $ 38.99
25+ in stock

Ace Race Parts offers Tank Weld Bungs that are precision CNC machined from solid 6061 Aluminum billet and come with a thread-on cap featuring an O-...

View full details

Tank Weld Bung with Thread On Cap - 2.500" ID - 6061 Aluminum

SKU 17006
Original price $ 45.99 - Original price $ 45.99
Original price
$ 45.99
$ 45.99 - $ 45.99
Current price $ 45.99
25+ in stock

Ace Race Parts offers Tank Weld Bungs that are precision CNC machined from solid 6061 Aluminum billet and come with a thread-on cap featuring an O-...

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Tank Weld Bung with Thread On Cap - 3.000" ID - 6061 Aluminum

SKU 17007
Original price $ 59.99 - Original price $ 59.99
Original price
$ 59.99
$ 59.99 - $ 59.99
Current price $ 59.99
25+ in stock

Ace Race Parts offers Tank Weld Bungs that are precision CNC machined from solid 6061 Aluminum billet and come with a thread-on cap featuring an O-...

View full details