Wiseco Pistons
Wiseco 471M06750 Piston Kit Oversize for Yamaha - 67.5mm 2-Stroke 0.060 175cc
Wiseco 457M04900 Classic Forged Piston Kit Bore - 2-Stroke 49.00mm
Wiseco 40037M08400 Kawasaki ZX14R Forged Piston Kit 84mm 9:1 Turbo with OEM Ring
Wiseco 512M05800 Pro-Lite 2-Stroke Dirt Bike Piston Kit 58.00mm 2.00mm Oversize
Wiseco 512M05750 2-Stroke Dirt Bike Piston Kit 57.5mm +1.50mm Oversize
Wiseco 521M05800 Pro-Lite Piston Kit Bore Oversize - 2-Stroke 58.00mm 2.00mm
Wiseco 521M05700 Pro-Lite Piston Kit Bore Oversize - 2-Stroke 57.00mm 1.00mm
Wiseco 4777M08000 Forged Piston Kit 80mm 11.5:1 CR for Suzuki DRZ250
Wiseco 486M05650 Forged 2-Stroke Dirt Bike Piston Kit 56.50mm Bore +0.50mm Oversize
Wiseco 4776M07300 Forged Piston Kit Standard Bore 73.00mm 11.5:1 CR 4-Stroke Dirt Bike
Wiseco 4725P4 Forged Piston 3.538" Bore .040 Over 10:1 Evo Big Twin 1340 Rear Cylinder
Wiseco 626M05450 Pro-Lite 54.50mm Piston Kit with Rings, Wrist Pin & Circlips
Wiseco 582M05650 Dirt Bike Piston Kit 56.50mm 0.50mm Oversize 4-Stroke
Wiseco 594M05650 Pro-Lite 2-Stroke Dirt Bike Piston Kit 56.50mm Bore 0.50mm Oversize
Wiseco 571M06775 Pro-Lite 2-Stroke Piston Kit 67.75mm Bore for Suzuki LT250R QuadRacer
Wiseco 687M07650 Pro-Lite Forged Piston Kit Polaris SL900 76.50mm +2mm Overbore
Wiseco Pistons 788M05800 58.00mm 2-Stroke Off-Road Piston Kit for Kawasaki KX125
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.