Koyo Hyper Radiator Cap, KOYO-SKC-13 Steering Wheel Finishes Available: Polished

Finishes Available: Polished

2 x 14021 - Rear spring coupe

Closed Loop 02 Control - Dual bank control for precise tuning (With optional external CAN O2 Wideband Controller Kit)

Performance gains are comparable with our REV 8 Street Exhaust:

Koyo Hyper Radiator Cap, KOYO-SKC-13 Steering Wheel Finishes Available: PolishedKoyorad Hyper Radiator Caps are intended for use with Koyorad Aluminum Performance Radiators. Made in Japan, this genuine Koyorad radiator cap offers excellenct sealing qualities when installed on a CNC machined filler neck of a Koyorad radiator. Designed with an increased valve pressure rating of 1. 3 Bar (1. 3kgf cm2, 18. 9 PSI, 127 kPa). With a Koyorad Hyper Cap installed, the natural boiling point of water is increased beyond the rating of the OEM