Radium high-performance radiator caps are engineered to improve cooling efficiency. The radiator cap is an essential part of an upgraded cooling system and will help to safely maximize engine performance by controlling the coolant boiling point. Each OEM replacement radiator cap is manufactured from stamped stainless steel for durability and feature silicone sealing elements that are superior to natural rubber gaskets. 

Details:

-New polish radiator cap design for great looks and performance.

-Works with KOYO racing radiators for the IS300.

-Stainless Steel

-Silicone sealing components.

-Various pressure ratings are available to tune based on coolant boiling point and concentration.

-Fitment for the following vehicles as OE replacement:

1990-1993 Acura Integra

1991-2005 Acura NSX

1990-1993 Honda Accord

1988-1991 & 2016-up Honda Civic

1988-1991 Honda CRX 

1992-2001 Honda Prelude

2003-2008 Infiniti G35

2008-up Infiniti G37

2014-up Infiniti Q50

2014-up Infiniti Q60

1992-2000 Lexus SC400

1990-1995 Mazda Cosmo

1990-2005 Mazda Miata

2006-up Mazda MX-5

1986-2002 Mazda RX-7

2004-2011 Mazda RX-8

1991-1999 Mitsubishi 3000GT

1990-1999 Mitsubishi Eclipse

2002-up Mitsubishi Lancer/EVO

1989-1998 Nissan 180SX

1989-1998 Nissan 200SX

1989-1998 Nissan 240SX

1990-1996 Nissan 300ZX

2003-2009 Nissan 350Z

2009-up Nissan 370Z

2005-up Nissan Frontier

2009-up Nissan GT-R

1989-2002 Nissan Silvia

1989-2002 Nissan Skyline