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Koyo 1.3 Bar High Pressure Radiator Cap Hyper Red



11 Reviews
5 out of 5 Stars
5 Stars
4 Stars
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Great price great value 8 months ago
Bought this and a koyorad oem replacement radiator. You can't go wrong with rallysportdirect and KOYORAD makes a great product.
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Great looking and well made cap 9 months ago
Needed a high pressure cap and my Cobb one was trash so was recommended this one by a RSD team member, and I love it. Looks great, simple and most of all does it's purpose. When I ordered my brother in law a Koyo Rad for his 88 RX-7, I made sure to pick up another one of these. Thanks as always RSD for the fast shipping and great price!
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I like it 1 year ago
I like it. I mean what more do you want to know? its a freaking radiator cap. It screws on nice and tight. Seems to seal/handle the pressure very well. Worth it ("thumbs up" emoji)
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Great Cap 2 years ago
I purchased this cap to push my order into the free shipping area, if I am being honest lol. The shipping was quick and the packaging was solid. It installed without a hitch and I haven't had any issues with it. Seems to be a quality product.
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Great Product 2 years ago
What can I say its a rad cap. It looks good and pushed my order into the free shipping area lol. Listen it was well packaged and shipped quickly as always. Fits like a glove and no issues as of yet.
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Koyo cap is an essential purchase with the Koyo radiator 4 years ago
The cap finishes off the cool look with the Koyo radiator.
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Great Quality  5 years ago
Looks great and serves its purpose, high quality seals and excellent construction for just a cap. Highly recommend!
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Do it!  5 years ago
Picked this up along with a koyo radiator and Perrin Radiator hoses. I'm happy with this cap it looks nice and has a silicon seal. Do it!
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Works! 5 years ago
Using on the top coolant tank to reduce/eliminate a leaky cap. Worked like a charm!
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Koyo 1.3 Bar High Pressure Radiator Cap Hyper Red  6 years ago
Good quality product, It's a radiator cap
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Paired Koyorad's own 36mm Hyper V-Core 6 years ago
It's a radiator cap, so it can't be that complicated, but it is a quality piece, with a nice bright red sticker. Looks great with Koyorad's radiator.
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