GReddy TRUST high-pressure radiator cap is a small but vital upgrade for cooling system efficiency.
- Raises system pressure to increase boiling point of coolant.
- Ensures reliable cooling under high-load conditions.
- Durable construction for long-term use.
- Direct replacement for OEM radiator cap.
- Suitable for Series 1 & 2 RX8 models.
You’ll love the added peace of mind this simple upgrade gives — essential for rotary reliability.