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Description
Hybrid Racing Low Temp Thermostat - C/J/F/H-Series EnginesHybrid Racing knows the advantages of using a low temperature thermostat in high performance or race environments are evident. Opening the thermostat's valve at a lower temperature allows coolant to flow more freely during low load sections of the racetrack. This enables the radiator to effectively regulate the engine's temperature within the optimal range during high load sections. If a cooling system is pushed to its limits at the racetrack and
Hybrid Racing knows the advantages of using a low-temperature thermostat in high-performance or race environments are evident. Opening the thermostat's valve at a lower temperature allows coolant to flow more freely during low-load sections of the racetrack. This enables the radiator to effectively regulate the engine's temperature within the optimal range during high-load sections. If a cooling system is pushed to its limits at the racetrack and overheating becomes an issue, a low-temperature thermostat can often resolve this problem. It achieves this by allowing the radiator to perform more cooling at lower engine loads, thereby preventing or delaying overheating during high-engine loads.
This part is made specifically for the Honda / Acura C-Series, J-Series, F-Series, and H-Series engines.
Low-temperature thermostats offer several advantages and are useful in various situations. Here are some key reasons why they are beneficial:
- Enhanced Engine Cooling: Low-temperature thermostats allow coolant to flow more freely at lower temperatures, improving the cooling efficiency of the engine. By opening the thermostat's valve at a lower temperature, they help maintain the engine within the optimal temperature range during high-load conditions. This can prevent overheating and ensure consistent performance, especially in demanding situations like racing or high-performance driving.
- Prevention of Temperature Hunting: Low-quality thermostats can cause temperature hunting, characterized by erratic fluctuations in coolant temperature. In contrast, low-temperature thermostats are designed to prevent hunting by controlling the flow of coolant more effectively. This stability in temperature helps avoid issues such as cracked cylinder heads and reduces strain on the cooling system.
- Improved Durability: High-quality, low-temperature thermostats, like those offered by Nippon Thermostat Co. Ltd in the provided context, undergo extensive durability testing. This testing includes heating and cooling cycles, vibration testing, and real-world testing in both road and race cars. As a result, these thermostats are built to withstand demanding conditions and have superior durability, reducing the risk of failure and ensuring long-lasting performance.
- Customizable Cooling Systems: Low-temp thermostats offer the flexibility to fine-tune the engine's cooling system. They allow for better control over coolant flow and temperature regulation, enabling enthusiasts and engineers to optimize cooling performance according to specific needs and preferences. This customization can be particularly valuable in racing, where precise cooling management is critical for maintaining optimal engine performance.
Overall, low-temperature thermostats provide improved engine cooling, prevent temperature hunting, offer durability, and allow for customizable cooling systems. These advantages make them a valuable component, especially in high-performance applications where maintaining optimal temperatures is crucial for engine performance and longevity.
Hybrid Racing's HYPERCOOL thermostats are produced by an OEM supplier that has been in existence since 1954; Their thermostats are used in over 50% of cars manufactured in Japan and are widely utilized in motorsports events such as Le Mans and WRC. The durability of thermostats is crucial, especially considering the potential consequences of a malfunctioning thermostat and subsequent engine overheating. To ensure durability, we conduct rigorous testing on their low-temperature thermostats, including various cycles of heating and cooling, vibration testing, engine bench testing, as well as real-world testing in both road cars and race cars.
Features
- Ideal for racing cars
- Reduces temp hunting
- OEM Quality Made in Japan
- Fully open @ 68*C/154.4*F
Fitment
- 1991-2005 Acura NSX (C-Series V6)
- 1997-2003 Acura CL (J-Series V6)
- 2004-2014 Acura TL (J-Series V6)
- 2010-2014 Acura TSX (J-Series V6)
- 2001-2013 Acura MDX (J-Series V6)
- 2010-2013 Acura ZDX (J-Series V6)
- 1998-2012 Honda Accord (J-Series V6)
- 2000-2009 Honda S2000 (F20C /F22C ONLY)
- 1997-2001 Honda Prelude (H-Series) (Uses other included gasket)
- 1993-1996 Honda Prelude Si-VTEC, Si, SE (H-Series Only) (Uses other included gasket)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.0 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 3
Talay Latex Pillow
Size: Standard (Mid Loft)
Quality cushion but not comfortable for me to sleep on. Arrived promptly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
★★★★★ 5
Natural Dunlop Latex Topper Has Multiple Uses
Size: Twin XL 2"
This is a well made, high quality, 2” thick piece of all-natural latex. You can use it on top of any bed to provide a nice, comfortable mattress topper that has a medium-firm feel to it. It gives good support for those who sleep on their back and on their sides. The latex topper springs back and sleeps cooler than memory foam toppers, which compress and generally sleep hot. Latex toppers cost more upfront than memory foam toppers, but they can last twice as long.
I built a custom-made all-natural latex bed that was too soft and didn’t provide enough support. I removed a 2” thick piece of ultra soft (#14) Talalay latex inside the bed and replaced it with this 2” thick piece of Dunlop latex for more support. I then used the Talalay latex on top as a mattress topper and now my bed is perfect! Once you’ve slept on all- natural latex, you’ll never want to go back to artificial memory foam.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Discovered latex and thrilled
Size: Queen
Bought a Beautyrest mattress in late 2021 that now is uncomfortable and has dips. Beautyrest would reject the 10 year warranty due to a single stain on mattress (based on their policy), so I didn't even bother. So, I pondered if I should order a new one and which one. In the process I found out latex toppers may save the day. Talatex medium firm mattress in queen size was received within a week and a half and installed on top of existing Beautyrest mattress. Since then, no pain in hips, no sweating at night, no neck problems. My daughter tested it one night with me, and since then wants to sleep on my bed and not hers, so this is really reviewed by two people. Excellent product!! Has a bounce but you don't sink in it (two mattresses ago, I had a 13" high end high density visco elastic memory foam mattress where sinking into it happened). When I can afford, I will buy a 4" latex topper firm and install that under the existing 2" Talatex medium firm over a slatted base. I'll do away completely w/ the mattress I'm using now.
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Reviewed in the United States on May 18, 2024
★★★★★ 3
Does not provide much pressure relief
Size: Queen
It does keep you cooler/neutral. It needs to be a little denser. When you are on it, it goes pretty flat. It does help some but my hip needs a little more support that this offers. Be aware, the cover has a coating of fire retardant. We asked them to send one without the toxic chemicals. (Personal choice)
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Reviewed in the United States on September 5, 2024
★★★★★ 5
Forget about the memory foam!
Size: Twin 3 Inches
My sleep quality is fantastic on this thing, and I don’t even sweat like a memory foam cover! I was scared to spend the money but I’m glad I did! It’s really helped my back and overall pain, as it rises to fit the empty spaces left by flat firm mattresses.
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Reviewed in the United States on March 27, 2026