1.3 bar pressure rating increases coolant boiling point for improved heat dissipation
Compatible with Koyorad all aluminum racing radiators for optimal performance
Durable construction with high-quality Japanese components ensures longevity
Solid red and silver design adds a stylish touch to performance builds
Summarized by Shop
Can you handle the pressure? The Koyorad hyper Radiator Cap is for intelligent tuners who demand to extract every ounce of cooling efficiency from their performance machines. Koyorad highly recommends our 1.3 bar Koyorad Hyper Cap (Koyo part number SK-C13) for use with Koyorad All Aluminum Racing Radiators (when applicable). The Koyorad H