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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

Mishimoto High Pressure Radiator Cap 1.3 Bar - Small (MMRC-13-SM)

SKU MMRC-13-SM
Original price $ 0.00 - Original price $ 0.00
Original price $ 0.00
$ 24.95
$ 24.95 - $ 24.95
Current price $ 24.95
Only 4 left!

Getting the most out of your performance parts comes down to the details. When faced with hard driving conditions, a vehicle's cooling system becom...

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Mishimoto High Pressure Radiator Cap 2.0 Bar - Small (MMRC-20-SM)

SKU MMRC-20-SM
Original price $ 24.95 - Original price $ 24.95
Original price
$ 24.95
$ 24.95 - $ 24.95
Current price $ 24.95
Only 4 left!

Getting the most out of your performance parts comes down to the details. When faced with hard driving conditions, a vehicle's cooling system becom...

View full details

Mishimoto High Pressure Radiator Cap 1.3 Bar - Large (MMRC-13L)

SKU MMRC-13L
Original price $ 24.95 - Original price $ 24.95
Original price
$ 24.95
$ 24.95 - $ 24.95
Current price $ 24.95
Only 8 left!

Getting the most out of your performance parts comes down to the details. When faced with hard driving conditions, a vehicle's cooling system becom...

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Koyo 1.3 Bar High Pressure Radiator Cap - Red (SK-C13)

SKU SK-C13
Original price $ 49.20
Original price $ 49.20 - Original price $ 49.20
Original price $ 49.20
Current price $ 39.20
$ 39.20 - $ 39.20
Current price $ 39.20
Only 2 left!

Can you handle the pressure? The Koyorad hyper Radiator Cap is for intelligent tuners who demand to extract every ounce of cooling efficiency from ...

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