Wiseco Pistons
Wiseco 687M07500 Classic Forged 2-Stroke Piston Kit 75.00mm Bore Polaris SL900
Wiseco 659M07350 ProLite 2894CD 73.50mm +0.50mm Overbore 2-Stroke Piston Kit
Wiseco 673M05025 50.25mm +0.010 Oversize 2-Stroke Piston Kit for Suzuki LT80 / Kawasaki KFX80
Wiseco 608M07650 2-Stroke Piston Kit 76.50mm +1.5mm Oversize for Kawasaki JS/JSX550
Wiseco 633M07150 ProLite 71.50mm 2-Stroke Forged Piston for Polaris SL/SLT780 PWC
Wiseco 632M07600 2-Stroke Forged Piston Kit 76.00mm Bore Arctic Cat Tiger Shark 650
Wiseco 833M05050 Pro-Lite 2-Stroke Forged Piston Kit 50.50mm +3.00mm Oversize
Wiseco 837M08200 2-Stroke Forged Piston Kit Standard Bore 82mm Kawasaki 800 SX-R
Wiseco 813M08100 2-Stroke Forged Piston Kit 81.00mm +1.00mm Oversize Kawasaki JS 750
Wiseco 781M08200 Forged Piston Kit 82mm +1mm Oversize for Polaris SLTX 1050 PWC
Wiseco 781M08100 Forged 2-Stroke Piston Kit 81.00mm Bore Polaris SL/SLTX 1050 PWC
Wiseco 791M08100 Forged Piston Kit 81mm Bore Wave Raider 1100 with 3189KD Ring Set
Wiseco Pistons 790M08300 Forged Piston Kit 83mm Yamaha 700 WaveRunner WaveRaider
Wiseco Pistons 765M05600 GP Series Piston Kit for Yamaha YZ125 1997-2004
Wiseco PK150 Yamaha Banshee Long Rod 65.0mm Forged 2-Stroke Piston Kit (795M)
Wiseco Pistons: Over 80 Years of Forged Performance
When it comes to high-performance engine internals, few names carry as much weight as Wiseco. Founded more than 80 years ago and headquartered in Mentor, Ohio, Wiseco has grown from a passion-driven racing operation into one of the world's foremost manufacturers of forged pistons for both automotive and powersport applications. Their pistons are engineered, forged, and machined on cutting-edge equipment right in the United States — a commitment to domestic craftsmanship that enthusiasts and professional racers have come to rely on.
At the heart of Wiseco's lineup are their engine pistons — the product that built the brand's legendary reputation. Unlike cast pistons, Wiseco's forged pistons are produced under intense pressure, aligning the grain structure of the aluminum for superior tensile strength and thermal resistance. Whether the application is a high-revving dirt bike, a boosted street car, a snowmobile pushing through deep powder, or a drag motor chasing elapsed-time records, Wiseco engineers a piston to suit the specific demands of each engine. Their catalog spans both 2-stroke and 4-stroke platforms, covering hundreds of engine applications for motorcycles, ATVs, UTVs, personal watercraft, snowmobiles, and performance automobiles.
For riders and builders focused on the powersport world, Wiseco's dedicated powersport pistons category delivers that same forged-aluminum precision tuned specifically for the unique demands of off-road and on-water machines. From Supercross champions to mountain snowmobile riders, Wiseco's powersport piston technology has proven itself at every level of competition.
Wiseco doesn't stop at pistons alone. A proper engine build requires complementary components, and the brand delivers. Their engine piston ring compressors are purpose-built tools that simplify and protect the installation process, ensuring rings seat correctly without damage — a small but critical step in any successful rebuild. For builders tackling a complete overhaul, Wiseco's engine rebuild kits bundle precision-matched components together, taking the guesswork out of parts sourcing and compatibility. And for those who want to address every wear surface in one go, Wiseco's engine complete assembly overhaul kits provide a comprehensive solution that covers the full scope of an engine restoration.
What sets Wiseco apart isn't just manufacturing quality — it's their deep roots in motorsport culture. Much of the team behind Wiseco's doors are avid riders and racers themselves, which means product development is shaped by real-world feedback from the track and trail. That philosophy — built for racers, by racers — is woven into every component that leaves their Mentor, Ohio facility. Whether you're chasing a championship or simply want the confidence that comes with a freshly rebuilt engine, Wiseco delivers the performance and reliability that serious builders demand.