2 SPI Piston Kits 1999-2008 fits Polaris 550 SuperSport Standard Bore 73mm
- Fits: Suzuki DRZ 400 2000-2012, LTZ400 2003-2012.
- Kawasaki KLX 400 2003-2006, KFX 400 2003-2006.
- Piston kits come with the piston individually wrapped.
- a set of OEM quality rings packed in their own box, a wrist pin, and circlips.
- Features MOS2 (Teflon/Molybdenum) Coated Skirts, a rolled-on application process provides a bond that is 10 times stronger than other spray on coatings for increased heat transfer, reduced friction, and helps eliminate cold seizures.
- The Machined Smooth Heads reflects combustion heat and reduces carbon buildup, protecting the top of the piston increasing horsepower and fuel economy by up to 6 percent.
- Anodized Domes increase heat resistance and durability.
- pistons with anodized domes are 75 percent stronger than non-anodized pistons.