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Complete Koyo Hh-series 48mm Radiator For Evo 4/5/6 (fits 7/8/9) Series [7nPL9EhG]

$61.99 $198.99 -69%

High-Performance Koyo HH-Series Radiator The Koyo HH-Series radiator is a top-tier cooling solution designed for Evo 4/5/6 models, offering a 48mm core for optimal heat dissipation. This radiator stands out with its polished aluminum finish, providin

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High-Performance Koyo HH-Series Radiator

The Koyo HH-Series radiator is a top-tier cooling solution designed for Evo 4/5/6 models, offering a 48mm core for optimal heat dissipation. This radiator stands out with its polished aluminum finish, providing not only superior cooling capabilities but also a sleek aesthetic. Its direct replacement fit for the Evo 4/5/6 ensures a hassle-free installation, while its compatibility with Evo 7/8/9 models (with an additional 4/5/6 upper hose) expands its appeal. Key features include: a mirror-polished finish, Nocolok-R brazing, and precise tube and fin alignment, ensuring reliability and efficiency.

Technical Specifications and Benefits

This radiator is crafted with meticulous attention to detail, featuring a billet aluminum filler neck and a 1/8" NPT female accessory fitting for enhanced performance. The HH-Series 48mm Hyper Core is OE specific, guaranteeing a perfect fit and compatibility. Notable specifications include: mirror polished finish, Nocolok-R brazing, precise tube and fin alignment, and a billet aluminum filler neck. The radiator's design also optimizes space, placing the upper coolant hose to the left of the engine bay, allowing for larger manifolds and improved exhaust system clearance.

Practical Applications and Target Audience

Whether you're a professional mechanic or a DIY enthusiast, the Koyo HH-Series radiator is a versatile and reliable choice for Evo 4/5/6 and compatible 7/8/9 models. Its design allows for easy installation, while its high-performance features ensure optimal cooling even under the most demanding conditions. Benefits include: improved cooling efficiency, increased engine protection, and a stylish appearance. This radiator is perfect for drivers seeking enhanced performance and durability, making it an ideal choice for daily drivers, racing enthusiasts, and anyone looking to upgrade their vehicle's cooling system.

What Our Customers Say

December 30, 2025

Absolutely no complaints!

This is a very clever and useful invention.

- Innovator.

December 30, 2025

Absolutely no complaints!

It's a very smart piece of tech.

- Devin S..

December 30, 2025

Absolutely no complaints!

The product feels very premium for its category.

- MrReviews.

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