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Final Markdown Csf Audi Classic And Small Chassis 5-cylinder High-performance All Aluminum Radiator Eco-friendly [HNEa861h]

$54.99 $175.99 -69%

CSF Audi Classic and Small Chassis RadiatorExperience unparalleled cooling performance with the Final Markdown Csf Audi Classic And Small Chassis 5-cylinder High-performance All Aluminum Radiator Eco-friendly [HNEa861h]. Crafted with precision and over five decades of experience, this rad

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Final Markdown Csf Audi Classic And Small Chassis 5-cylinder High-performance All Aluminum Radiator Eco-friendly [HNEa861h]

CSF Audi Classic and Small Chassis Radiator

Experience unparalleled cooling performance with the Final Markdown Csf Audi Classic And Small Chassis 5-cylinder High-performance All Aluminum Radiator Eco-friendly [HNEa861h]. Crafted with precision and over five decades of experience, this radiator is designed to keep your Audi Quattro/B1/B2/B3/B4 engine running optimally. Whether you're on the street or at the track, this high-performance radiator is a must-have for high horsepower builds and race vehicles, providing the added cooling power needed in motorsports environments.

Key Features and Specifications

At the heart of this radiator is CSF's exclusive B-Tube Technology, offering a superior design compared to traditional oval shape "O" type radiator tubes. The B-tubes are meticulously formed and brazed over the seam, resulting in a stronger, lighter, and more efficient aluminum material. This design increases the heat transfer surface area of the tubes by approximately 15%, effectively providing the efficiency of two smaller tubes within the same space. The inlet in the middle of the tube, which is seam brazed, further enhances the cooling efficiency. Additionally, CSF utilizes ultra-efficient multi-louvered fins that are carefully aligned to maximize airflow through each radiator core.

Benefits and Applications

By choosing the CSF Audi Classic and Small Chassis Radiator, you're not just investing in a cooling solution; you're investing in the longevity and performance of your vehicle. This radiator is specifically designed to fit a wide range of Audi models, including the 4000, 80, 90, Coupe, and Quattro. Its high-performance capabilities make it an ideal choice for both street and track use. The following benefits highlight why this radiator stands out:

  • Increased Cooling Efficiency: The unique B-Tube Technology and multi-louvered fins provide superior heat transfer, ensuring your engine stays cool under any condition.
  • Enhanced Performance: Designed for both high horsepower builds and race vehicles, this radiator delivers the added cooling power needed for optimal performance.

What Our Customers Say

January 16, 2026

Absolutely no complaints!

An awesome product that is easy to use.

- Humphrey N..

January 16, 2026

Absolutely no complaints!

This product is a true standout.

- Tallulah M..

January 16, 2026

Absolutely no complaints!

I'm genuinely thrilled with the results.

- Bastian H..

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