KOYO 1.3 Bar Radiator Cap Hyper Blue
2013–2021 Subaru BRZ
SK-D13
Overview:
The KOYO 1.3 Bar Radiator Cap Hyper Blue is a high-performance radiator cap designed to optimize the cooling efficiency of Koyorad All Aluminum Performance Radiators. Engineered specifically for Subaru BRZ models from 2013 to 2021, this genuine Koyorad Hyper Cap helps your engine manage heat more effectively, especially under demanding driving conditions.
Ideal for performance enthusiasts and daily drivers alike, this radiator cap increases the pressure within the cooling system, raising the boiling point of the coolant. This reduces the risk of overheating and helps maintain consistent engine temperatures, ensuring reliable operation and longevity of your high-performance Subaru BRZ.
Key Features:
Designed with precision and durability in mind, the KOYO Hyper Cap offers several technical advantages:
- Increased valve pressure rating of 1.3 kgf/cm² (1.3 bar / 18.9 psi / 130 kPa) to raise coolant boiling point and improve heat dissipation.
- Specifically engineered for use with Koyorad All Aluminum Performance Radiators to maximize cooling system efficiency.
- Manufactured in Japan using high-quality components to ensure long-lasting performance and reliability.
- Durable construction designed to withstand the rigors of high-performance and spirited driving conditions.
- Distinctive hyper blue finish adds a subtle visual upgrade to your engine bay.
- Helps prevent coolant loss and maintains optimal pressure balance within the radiator system.
- Recommended upgrade for Subaru BRZ owners seeking enhanced cooling performance without modifying the factory cooling system.
Construction & Design:
The KOYO Hyper Blue Radiator Cap is crafted with premium materials and precision engineering to meet the demands of performance cooling systems. Its robust valve mechanism reliably maintains a higher pressure threshold than standard caps, which increases the coolant’s boiling point and reduces the likelihood of vapor lock or overheating.
Manufactured in Japan, this radiator cap benefits from strict quality control and superior component selection, ensuring consistent sealing and durability. The hyper blue finish not only provides corrosion resistance but also complements the aesthetic of performance-oriented engine bays.
Installation & Fitment:
This radiator cap is a direct fit replacement for Subaru BRZ models from 2013 through 2021 and is designed to work seamlessly with Koyorad All Aluminum Performance Radiators. Installation is straightforward and requires no modifications, cutting, or special tuning.
- Direct bolt-on replacement for factory radiator caps on compatible Subaru BRZ models.
- No special tools or adjustments needed for installation.
- Compatible with OEM radiator neck dimensions and mounting points.
What's Included:
- One KOYO 1.3 Bar Radiator Cap Hyper Blue
Ideal For:
This radiator cap is perfect for Subaru BRZ owners who have upgraded to or are using Koyorad All Aluminum Performance Radiators and want to maximize their cooling system’s efficiency. It is especially beneficial for:
- Performance enthusiasts who push their vehicles on the track or during spirited driving.
- Daily drivers seeking improved engine temperature management and reliability.
- Owners looking for a high-quality, durable radiator cap manufactured to OEM standards.
