Cosworth Valve Spring Set 350Z/G35 VQ35DE

Cosworth Valve Springs help prevent the valves from floating under high rev/rpm. It is strongly recommended that when upgrading to aftermarket cams for power to also upgrade the valve springs as well for a smooth and safe operation. These valve springs can work with stock cams also.

Vehicle Fitments:

Year	Make	Model	Submodel
2003 - 2008	INFINITI	G35	Base
2007 - 2008	INFINITI	G35	Journey, Sport
2004 - 2008	INFINITI	G35	X
2008	INFINITI	G35	X Sport
2005	Nissan	350Z	35th Anniversary Edition
2003 - 2008	Nissan	350Z	Base
2005 - 2009	Nissan	350Z	Grand Touring
2007 - 2008	Nissan	350Z	Nismo
2003 - 2005	Nissan	350Z	Performance
2003 - 2009	Nissan	350Z	Touring, Enthusiast
2003 - 2006	Nissan	350Z	Track