Wiseco KTM150SX 16-18/ 150XC-W 17-18 (881M) Piston

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.

Additional Information

Wiseco 2 Stroke GP Series Piston Kit, 58.00 mm Bore

Part Type

Engine Piston Set

• 58.00 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

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Reference Information

Engine Piston Set, KTM150SX '16-18, 150XC-W '17-18 (881M)

Wiseco powersports GP Series forged 2-stroke pistons build on the tried-and-true base of the Pro-Lite. They incorporate additional performance and durability enhancing features, including an Electra-Coated crown, ring groove(s), and pin bores—plus ArmorGlide skirt coating, making the pistons 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.

Additional details:
• Designed for endurance and sustained-RPM 2-stroke riding
• Engineered, forged, and machined 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
• Extra lightening operations for enhanced throttle response
• High-quality ring(s), wrist pin(s), and circlips included