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.
This CNC-machined kit offers the optimal cam shape and profile for peak performance and service life. Precision machined, highest quality materials for strength and reduced friction. Extended life and sustained power. Kit includes premium top end needle bearings, high-performance ring set and highest quality, alloy pin.
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
Designed with optimized features for long service life and top-end power
Extra lightening operations for enhanced throttle response
Engineered, forged, and machined in the USA in Mentor, OH
High-quality ring(s), wrist pin(s), and circlips included
Designed for endurance and sustained-RPM 2-stroke riding
Wiseco Yamaha YZ250 02-20 GP Series(808M06640) Piston
Wiseco 2 Stroke GP Series Piston Kit, 66.40 mm Bore
Yamaha YZ250 '02-24 GP Series(808M06640)
Yamaha YZ250 '02-19 GP Series(808M06640)
Engine Piston Set
Piston Kit
66.4 mm
