They also feature ArmorGlide skirt coating, ensuring friction is staying as low as possible. Pistons are coated with ArmorPlating, a Wiseco surface treatment covering the crown, ring groove, pin bore, and under-crown. Wiseco Racer's Elite Piston Kit Standard 52.5 mm for Kawasaki KX100 1995-2009 ; Item #: 83884659 ; USD 204. This product is not Fulfilled by and can take... Racer Elite 4-Stroke pistons feature an asymmetrical skirt design that keeps contact with the cylinder wall minimal, as well as keeps the weight down. ArmorPlating protects against wear caused by heat and detonation. Shop OEM Replacement Piston Kit 52.46 MM (+0.01 MM) KX100 Quality Off-Road Piston Kit From ProX Wiseco - 2318M06772 - Piston Kit, Standard Bore 67.62mm For Sale Online Dyno proven power gains While most Roller Hockey Protective Gear (except for inline hockey pants) crosses over from the Cold Rink to the Warm Rink and we carry all those big hockey brands that's already easily covered Racer Elite 2-Stroke pistons are forged out of a 2000 series alloy that offers more tensile strength than the more popular 4000 series.