Wiseco Pistons
Wiseco PK1822 82mm Top End Piston Kit for Kawasaki V-Force 700 & Suzuki Twin Peaks 700
Wiseco PK1356 Piston Kit 96mm 11.5:1 Compression 2005-2006 Honda CRF450X
Wiseco PK1646 Polaris Predator 500 / Outlaw 500 Top End Piston Kit 104.83mm Oversize
Wiseco Pistons PK1645 Top End Piston Kit for Polaris Predator/Outlaw 500 99.2mm
Wiseco PK1629 2-Stroke Top End Kit 86mm Standard Bore for Kawasaki KX500 1991-2004
Wiseco PK1438 102mm 9.9:1 Forged Piston Kit with Top-End Gaskets for Yamaha Grizzly/Rhino 660
Wiseco PK1263 Pro-Lite 55.0mm Piston Kit with Top-End Gasket Kit for 2001-2002 Honda CR125
Wiseco PK1889 4-Stroke Forged Piston Kit 96.00mm Bore 12.5:1 Compression ArmorGlide
Wiseco PK1858 78mm 13.1:1 Forged Piston Top End Kit with Armor Glide Skirt Coating
Wiseco PK1122 4-Stroke Forged Piston Kit 66.50mm 10.25:1 CR Honda XR185 XR200 XL185S
Wiseco Pistons PK1432 ATV Piston Kit 100.5mm Bore 9.9:1 Compression Yamaha YFM660
Wiseco PK1430 4-Stroke Top End Piston Kit 68mm +0.8mm Overbore 12.4:1 CR Honda CRF150R
Wiseco 374M06750 Pro-Lite Forged Piston Kit 67.50mm +1.50mm Oversize YZ/IT175
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.