Athena (S41316119) Piston Ring Set Fits: Honda TRX 450 R (ATV) 2004-2005; Suzuki DRZ 400 2000-2012; LTZ 400 (ATV) 2003-2012; Kawasaki KLX/KFX 400 (ATV) 2003-2006; Artic Cat DVX 400 2004-2008 For Athena S4F09400001, S4F09400002, S4F09400003 A, B and C Series Pistons Refresh your engine with a new ring set Helps restore lost horsepower and throttle response due to wear Set comes with all the rings you need for one piston