Wiseco 846M05400 2-Stroke GP Series Piston Kit Yamaha YZ125

Wiseco 2 Stroke GP Series Piston Kit - Yamaha YZ125 Wiseco's GP Series forged 2-stroke pistons build on the tried-and-true base of the Pro-Lite. Wiseco GP Series 2-stroke pistons incorporate additional performance and durability enhancing features including an Electra-Coated crown, ring groove(s), and pin bores plus ArmorGlide skirt coating, making them perfect for endurance and sustained-RPM 2-stroke applications. From play riders putting in hard hours to consistent competition, GP Series 2-stroke pistons are up to the challenge. Designed for endurance and sustained-RPM 2-stroke riding Engineered, forged, and machined in the USA in Mentor, OH Designed with optimized features for long service life and top-end power Electra-Coated crown, ring groove and pin bore resists potential wear, combustion heat damages, and ring micro-welding ArmorGlife skirt coating reduces friction to optimize performance potential