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.

• Dedicated forging design for strength-to-weight optimization
• Dedicated forgings allow for optimized strength-to-weight ratio
• Designed and built for each specific 4-stroke powersports engine
• Designed for all-purpose 2-stroke riding
• Engineered, forged, and machined in the USA in Mentor, OH
• Extra lightening operations for enhanced throttle response
• Great value for reliable fun factor
• High-quality ring(s), wrist pin(s), and circlips included
• Improved tensile strength of forged material optimizes strength and service life
• Includes high-quality piston rings, wrist pin(s), and circlips
• Refreshed performance from the track to the trail