Koyorad Type B BLUE Label Radiator Cap - Shallow Plunger

Extract every ounce of cooling efficiency from Koyorad. All Aluminum Performance Radiators with a genuine Koyorad Hyper Cap!

• This Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf/cm2 (1.3 bar) (18.9 psi) (130 kPa)
• Increases the boiling point of water and relieves high performance engines of excessive heat. 

This design is made specifically for the BRZ, FRS and GT86 factory radiator fill neck.