2000 Series alloy provides extreme strength for extreme conditions Dedicating forging for greater strength and light weight Premium-quality rings enhance sealing for each application ArmorFit skirt coating conforms to the bore for the ultimate in piston control and wear ArmorPlating protects the crown from harmful detonation, improves pinbore for decreased wear and bore deformation and enhances ring seal for long life and performance Made in the U.S.A.. PISTN KT RE KTM/TC125 -17