Blais Racing /HT-Racing HTR KTM RFS Engine Oil Cooler Kit.  Fits 2000-2007 KTM 400/450/520/525 XC/EXC/MXC models.

Keep your KTM 400/450/520/525 XC/EXC/MXC running cool and strong all year long with the HT-Racing Oil Cooler Kit.  Keeps the KTM stators from overheating and having their notorious problems on the RFS engines.  This was the only aftermarket add on that kept my bikes running strong without anymore stator issues. 
 
This Patented KTM Oil Cooler design directly replaces your entire stock stator cover.
Machined from one solid piece of billet aircraft aluminum and built to last.
Includes custom made high-pressure braided stainless steel hoses and all mounting hardware.
Increases total KTM oil capacity by 50%.
Increases KTM engine longevity and oil change intervals.
Dramatically lowers oil temperature by 30 degrees Fahrenheit
Comes with a clear and sleek anodized finish.
Comes complete with oil control check valve, stainless oil drain plug and new stator cover gasket.