Koyo Radiator

Part #: VH010934N

Overview

The Koyo 36mm Competition Spec Radiator is a high-performance cooling solution designed specifically for heavily modified Lexus IS300 vehicles equipped with 1JZ or 2JZ engines. Crafted from all-aluminum materials, this radiator is engineered to withstand the demanding conditions of turbocharged engine swaps, providing superior heat dissipation and enhanced cooling efficiency. Its slim profile ensures compatibility with other engine components, making it an ideal upgrade for enthusiasts seeking reliable thermal management during intense driving sessions or racing applications. Whether you're building a track-ready machine or upgrading your daily driver, this radiator helps maintain optimal engine temperatures, supporting consistent performance and engine longevity.

Key Features

This competition-grade radiator features a robust all-aluminum construction with TIG-welded tanks and a furnace-brazed core, ensuring durability and resistance to corrosion. The high-density 36mm HyperCore maximizes cooling surface area for improved heat transfer, even under high-stress conditions. Its slim profile design allows for seamless integration into a variety of engine bay layouts, providing maximum efficiency without sacrificing space. The radiator's precision craftsmanship and high-quality materials help support consistent engine temperatures, contributing to overall vehicle reliability and performance stability. Designed for turbocharged 1JZ and 2JZ swaps, it offers a perfect balance of cooling capacity and fitment flexibility.

Construction & Design

The radiator's all-aluminum construction features TIG-welded tanks and a furnace-brazed core, ensuring a lightweight yet durable structure capable of withstanding the rigors of high-performance applications. The high-density HyperCore design enhances thermal transfer, helping to keep engine temperatures in check during demanding driving conditions.

Installation & Fitment

Installation should be performed by qualified technicians familiar with turbocharged engine swaps and custom cooling setups. The radiator is designed for direct fitment in compatible Lexus IS300 models with 1JZ or 2JZ engines, but verification of fitment against vehicle specifications is recommended.

What’s Included

The package includes the all-aluminum radiator with TIG-welded tanks and furnace-brazed core, ready for installation. Additional hardware or mounting brackets are not included and may be required depending on your specific vehicle setup.

Ideal For

Ideal for enthusiasts and racers performing 1JZ or 2JZ engine swaps in Lexus IS300 vehicles, seeking improved cooling performance for turbocharged applications and high-performance driving.