Product Highlight: The Ultimate K-Swap Radiator

Within the Honda community, the K-series remains the most prestigious swap for those wanting to keep it in the family.

There are few choices better than a K20A or K24A in the EG, EK or ’94 to ’01 Integra chassis to bring a significant bump in performance, along with leaving room for further development in the future. Our friends at CSF Race recently unveiled the third generation of their universal K-series radiator, following a complete ground-up redesign.


Aptly called ‘The Ultimate K-Swap Radiator’, this generation of radiator is comfortably the best that CSF have made so far. It’s brilliance lies within how universal it is. I’m not sure about you, but I usually tremble at the word of anything being ‘universal fit’ but this truly is. The radiator is fitted with the correct mounting points to suit both all EG and EK chassis and the ’94 to ’01 Acura Integra to ensure a factory fit, plug and play install.

This is achieved by having the correct mounting points on the sides of both the bottom and top end tanks, along with a billet centre mounting point to suit either EG or EK chassis. The included adjustable mounting pins and plug system keep the install clean, and give you all the options that you might need to suit your K-swap setup.


The complete kit also allows the use of either factory slip-on or AN-16 hose connections, with everything you need included in the box. There’s also the inclusion of a temperature sensor port at the bottom of the radiator, which some K-series swaps require.


The one hour hand polished radiator itself features a two-row 42mm high performance core, which of course is built with CSF’s renowned B-tube technology and a 6.5mm multi-louvred fin height. The filler neck is a new design, which incorporates a three-way adjustable breather pipe to suit all manner of setups. There’s also the optional driver side mounted all-aluminium fan shroud with a 12-inch Spal electric fan which retails at $210.00 USD.

The Ultimate K-Swap Radiator V3 (#2850K) has an MSRP of $359.00 USD. Find your nearest CSF Dealer here.

Paddy McGrath
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K series engines are cool.


CSF radiators are cool


Cool radiator. Just such a rubbish logo that they insist painting on their product. Desperately needs a branding update to be bring it into the 21st Century.


Not buying a quality product because you think the logo is too old looking... never heard that one before.


When I'm shopping for a radiator, its performance will be my first concern.


Which is exactly why I overlooked CSF when shopping for a K-Swap Rad. My first impressions were that the performance and product development was stuck in the 90's like their branding. I haven't had the opportunity to test their products first hand.

When a company has to rotate part of their logo to make it fit on their packaging (see pics of side of radiator boxes, i.e the flag) I read a lot into that. Are they too lazy to do things properly, do they lack attention to detail? I'm not saying that they don't have good, well though out products with proper QA/QC, but their lazy branding makes me question that. It certainly doesn't inspire me with confidence to buy from them.


While I think your criticism is a bit harsh, I'm sure it's something CSF will take on-board.

In saying that, there are plenty of examples of companies out there with heritage branding (CSF have been in business for over 65 years) that still produce amazing products. Companies like Coca Cola, and Canon, not to mention countless car manufacturers like BMW, Volkswagen, Mercedes etc. who have been running the same logos (or very similar variations) for decades.

Out of curiosity, what have you K-swapped?


I'm just voicing my thoughts on why I didn't choose their product. I'm not a brand consultant, but If CSF are sticking with the same logo for 65 years because they feel there is a net benefit to sales that's fine by me. They just aren't likely to sell me one. I guess I'm too OCD.

I currently have a '00 MB6 Civic, and a '97 EK Civic. I'm storing up parts to K-swap one of them, I haven't decided which yet, and won't buy a rad until I do. I'm pretty sure the CSF rad will fit the EG/DC chassis based MB6, maybe If I buy this CSF rad I could keep my options open. However all the extra unused mounting points would likely annoy me...


I've always had a soft spot for the EK, a friend just picked up an EK9 Type R and I'm having serious jealousy issues. I've only ever experienced a K-swap in an EG before and it was an eye opener, I'm sure you'll have a great car when all is said and done.

As I said at the start, my preference is always for performance over aesthetics. From what I've seen of their products, both in use and during installation, I don't think you would be unhappy with the CSF kit.


Nissan Sentra b13 are cool too


Aren't radiator shrouds a bit of a gimmick? From what I've read they create a pocket of air behind the radiator and keeps new air from going through the vanes of the radiator, because air takes the path of least resistance and all of that.


I think what they are referring to is a shroud or surround for the fan to stop air being recirculated around its edge, but also to allow the fan to draw air from the whole radiator and not just a circle as in a surface-mounted fanl


I had an OEM-replacement radiator from CSF on my '96 Integra and it fit perfect. There stuff is top grade and well researched.


I hope they have that AN hose connection options for RSX rad.