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Description
Hybrid Racing Low Temp Thermostat (K20Z3 & K24A2, K24Z7)PRODUCT DETAILS We know 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
PRODUCT DETAILS
We know 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 K20Z3, K24A1, K24A2 & K24Z7 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.
Our 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.
FITMENT:
2006-2011 Honda Civic Si (K-Series K20Z3)
2012-2015 Honda Civic Si (K-Series K24Z7)
2013-2015 Acura ILX Premium (MT Only - K-Series K24Z7)
2004-2008 Acura TSX (K-Series K24A2)
2007-2014 Honda CR-V (K-Series K24Z1)
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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4.1 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 3
Wide, feminine neck
Special Size: Two Pack, Size: Medium, Color: Black/Army Green
I ordered Medium, as I usually wear. I’m 5’11” 175lbs. The neck was very wide and cut semi/deep. It looked like a woman’s workout shirt.
The material looks and feels nice, and other than the neck it fit true to size. I returned it because of how they fit in the neck.
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Reviewed in the United States on February 6, 2025
★★★★★ 5
Nice Shirts!
I really like these muscle shirts. They fit good and they look great. I also like they look and feel on me.
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Reviewed in the United States on December 27, 2024
★★★★★ 5
Very comfortable
Special Size: Two Pack, Size: XX-Large, Color: Black/Dark Blue
I like how they fit and feel and so for there is no shrinkage and would buy again.
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Reviewed in the United States on January 5, 2025
★★★★★ 5
Surprisingly good quality and cut.
Considering that this brand tends to be a bit hit-or-miss (mostly hit) I was apprehensive about the fit and sizing. These fit so well that I bought other colours and have no issue with the sleeve length (often cheaper brands have very short sleeves) nor with the length of the body of the shirt.
They look great, the fabric quality is excellent, and the colours are compatible with a broad range of pants (you can't go past black pants, black jacket/blazer, and any colour of this underneath).
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Reviewed in the United States on May 20, 2025
★★★★★ 5
Nice feel
Special Size: Two Pack, Size: Medium, Color: A-wine Red/Dark Grey
I’m 5’8”, trim and athletic build. The sleeves are a tiny bit tight and would be unpleasant on a warmer than expected day, but for a cool day just fine. Nice fit. Feels pleasant to the touch.
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Reviewed in the United States on March 5, 2026