Authentic KOYO HYPER RADIATOR CAP (RED) TYPE A SK-C13 - 1.3bar

Fits all Koyorad race radiators wth filler necks, and many stock 1990-older radiators.

The Koyo Hyper Radiator cap, for intelligent tuners who demand to extract every ounce of cooling efficiency from their athletic machines. By increasing the coolant pressure and raising its boiling point, the faster your motor is relieved of excessive engine heat. The Koyo Hyper radiator Cap withstands an open valve pressure rating of 1.3kg/cm2, adding under your hood the desired extra toughness and an elegant touch of style.