Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.
This Part Fits:
| Year | 
Make | 
Model | 
Submodel | 
| 2003-2008 | 
INFINITI | 
FX35 | 
Base | 
| 2003-2007 | 
INFINITI | 
G35 | 
Base | 
| 2006-2008 | 
INFINITI | 
M35 | 
Base | 
| 2006-2007 | 
INFINITI | 
M35 | 
Sport | 
| 2005 | 
Nissan | 
350Z | 
35th Anniversary Edition | 
| 2003-2006 | 
Nissan | 
350Z | 
Base | 
| 2003-2006 | 
Nissan | 
350Z | 
Enthusiast | 
| 2005-2006 | 
Nissan | 
350Z | 
Grand Touring | 
| 2003-2005 | 
Nissan | 
350Z | 
Performance | 
| 2003-2006 | 
Nissan | 
350Z | 
Touring | 
| 2003-2006 | 
Nissan | 
350Z | 
Track | 
| 2002-2008 | 
Nissan | 
Altima | 
SE | 
| 2005-2006 | 
Nissan | 
Altima | 
SE-R | 
| 2005-2008 | 
Nissan | 
Altima | 
SL | 
| 2002-2003 | 
Nissan | 
Maxima | 
GLE | 
| 2002-2003 | 
Nissan | 
Maxima | 
GXE | 
| 2002-2008 | 
Nissan | 
Maxima | 
SE | 
| 2004-2008 | 
Nissan | 
Maxima | 
SL |