- Engineered to increase pressure in cooling system which then increases coolant boiling point; helps prevent boil over
- Chrome cap with grooved edges for grip; pressure rating printed on cap in metric and standard psi
- High-temperature silicone seals
- Stock low pressure rating of 0.9K, 13psi
- Stamped with metric pressure rating of 0.9 bar
- Include high-temperature metal film warning decal and adhesive
- For competition use