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.

• 66.40 mm Bore
• ArmorGlife skirt coating reduces friction to optimize performance potential
• Dedicated forgings and additional lightening operations allow for optimized strength-to-weight ratio
• Designed and built for each specific 2-stroke powersports engine
• Designed for endurance and sustained-RPM 2-stroke riding
• 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
• Engineered, forged, and machined in the USA in Mentor, OH
• Extra lightening operations for enhanced throttle response
• 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 ring(s), wrist pin(s), and circlips