Wiseco Pistons
Wiseco Pistons W6443 Top End Gasket Kit for Honda Big Bore - CRF450X TRX450R 500cc
Wiseco WK1318 Complete Top-End Piston Kit 81.50mm 0.50mm Oversize for Yamaha 700 2-Stroke Watercraft
Wiseco PK1009 68mm 10.25:1 Forged ATV Top-End Piston Kit with Gaskets
Wiseco PK1172 Pro-Lite Forged Piston Kit 68.5mm 2-Stroke Top End
Wiseco Pistons PK1518 Top End Rebuild Kit for Polaris ATV 300 75.5mm Bore
Wiseco Pistons PK1648 Top End Piston Kit for Polaris Trail Boss 350 ATV 80.5mm
Wiseco Pistons PK1667 42mm Piston Kit for Suzuki JR50 and Kawasaki KDX/KFX50
Wiseco Pistons PK1650 Top End Piston Kit for Polaris Trail Boss 350 ATV 81.5mm
Wiseco Pistons PK1778 Top End Piston Kit for Yamaha Kodiak/Big Bear 400 83.5mm
Wiseco Pistons K687M745 Professional Series Forged Piston Kit Toyota 4E-FTE 74.5mm Bore
Wiseco Pistons K2802 Black Edition Piston Kit 128ci 4.250" Bore 11:1 Compression
Wiseco Pistons K2800 Black Edition V-Twin Piston Kit 4.060" Bore 11:1 CR Milwaukee Eight CVO 117ci
Wiseco Pistons SVK6329-E Garage Buddy Exhaust Valve Service Kit
Wiseco Pistons 40288M09400 Piston Kit for 15-21 Can-Am 450/850 Outlander/Renegade
Wiseco Pistons 40275M09500 Forged Piston Kit 94.95mm Bore Standard Compression
Wiseco Pistons 4892M08400 High Compression Piston Kit for Suzuki GSX1300R Hayabusa
Wiseco Pistons K1716 3.518" Bore Forged Piston Kit 10.5:1 Compression Domed HD 1340 EVO
Wiseco K0213P2 Tracker Series Piston Kit 883-1200cc +.020 Bore 10:1 Compression
Wiseco Pistons K0213P1 Tracker Series Piston Kit Reverse Dome Oversized Compression - 1200cc 010 10 1
Wiseco Pistons K0212PS Tracker Series Piston Kit 1200cc Reverse Dome 9.5:1 Compression
Wiseco Pistons K1769 3.517" Bore Domed Forged Piston Kit for Harley-Davidson Shovelhead
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.