Wiseco Pistons: KTM 450SX-F/450XC-F/450MXC/450EXC-R/450XC-W/450EXC-F/500EXC/500XC-W


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Wiseco MX Pistons
While Wiseco got its start in 2-stroke performance, the Wiseco team has remained at the forefront of powersports performance through
every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco offers a range of forged 4-stroke
pistons covering everything from the casual rider looking for durability to the professional-level racer competing for wins.

Wiseco Pro-Lite
• The Forged 2-stroke piston that started it all
• Great value for reliable fun factor • Refreshed performance from the track to the trail •
Optomizing forging design for strength optimization • Extra lightening operations for enhanced
throttle response • Wrist pin, rings and circlips included

Wiseco GP Series
• Designed for Endurance/High RPM Applications
• 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
• Wrist pin, rings and circlips included

Wiseco Racer Elite
Designed for Full-Race Applications
• First 2-stroke piston to be forged with 2000-series alloy, providing greater tensile strength
• ArmorPlating surface treatment on crown, in ring groove and pin bores protext from harmful detonation,
friction wear, and ring micro-welding • ArmorFit skirt coating conforms to the cylinder bore for optimized
fitment, translating to optimized performance • Wrist pin, rings and circlips included

Wiseco Forged Series
Multi-Purpose Riding and Racing
• A complete range of forged pistons engineered for each specific 4-stroke powersports engine
• Convering hundreds of applications across ATV, Dirt Bike, Street, Snowmobile, UTV, V-Twin and more
in a variety of bore size and complression ratio options • Forged material optimizes strength and service
life • Performance enhancing features varied across applicable applications to maximize durability and
power • Wrist pin, rings and circlips included

Wiseco Racer Elite
Designed for Full-Race Applications
• Engineered to be a complete racing piston package to compete at the highest levels
• Industry-first features including asymmetrical skirt, lapped ring and ring groove operation to minimize
operating friction and maximize ring seal for overall improved power
• CNC-machines, billet construction for improved strength to weight ratio
• Rings, circlips, and DLC-coated wrist pin included

Additional information


450SX-F 03-2006, 450XC-F 2006, 450SX-F 07-2012, 450XC-F 04-2010, 450 XC-F 07-2010, 450SX-F 13-2022, 450EXC-R 03-2007, 450MXC 03-2007, 450XC-W 03-2007, 450EXC 12-2016, 450EXC-F 17-2020, 500EXC 12-2019, 500XC-W 12-2016, 500EXC-F 20-2023

Piston Type

ArmorGlide, ArmorGlide Boxed Forging


12:1, 13:1, 12.5:1, 13.5:1, 12.75:1, 11:1, 11.8:1


95.00mm, 97.00mm, 89.000mm


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Make Model Year
KTM 450 EXC 2012 - 2016
KTM 450 EXC-F 2017 - 2020
KTM 450 EXC-R 2003 - 2007
KTM 450 MXC 2003 - 2007
KTM 450 SX-F 2003 - 2006
KTM 450 SX-F 2007 - 2012
KTM 450 SX-F 2013 - 2022
KTM 450 XC-F 2006
KTM 450 XC-F 2004 - 2010
KTM 450 XC-W 2003 - 2007
KTM 500 EXC 2012 - 2019
KTM 500 EXC-F 2020 - 2023
KTM 500 XC-W 2012 - 2016
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