Wiseco Pistons
Wiseco PK1368 Honda CRF450X 13:1 High Compression Forged Piston Kit 96mm (4822M)
Wiseco PK1361 Forged Piston Kit with Top-End Gasket Kit - 95mm 13.5 1 for YZ/WR450F
Wiseco PK1358 Forged Piston Kit with Top-End Gaskets - 97mm 12.5 1 for YZ/WR450F
Wiseco PK1303 Pro-Lite Top End Piston Kit for Kawasaki - 2-Stroke 50.00mm KX80 1991-1997
Wiseco PK1299 Pro-Lite 2-Stroke Piston Kit 50.00mm Bore for 1988-90 Kawasaki KX80
Wiseco PK1283 54.5mm 2-Stroke Piston Kit with Top-End Gasket Kit for Kawasaki KX100
Wiseco PK1880 Top End Piston Kit 77mm 14.5:1 High Compression ArmorGlide 4-Stroke
Wiseco PK1113 Forged Piston Kit 100.5mm 11:1 CR Yamaha Grizzly/Rhino 660 (4737M)
Wiseco PK1152 Pro-Lite 2-Stroke Forged Piston Kit 49.0mm for Kawasaki KX80
Wiseco PK1854 Forged Piston Kit 39mm Standard Bore 11:1 Compression Honda XR/CRF50
Wiseco PK1827 77mm Forged Piston Kit with Top-End Gasket Kit 13.5:1 Compression
Wiseco PK1730 47.5mm Top End Piston Kit 10.5:1 Honda XR70 CRF70 +0.50mm Oversize
Wiseco PK152 Yamaha Banshee Long Rod 2-Stroke Piston Kit 66.00mm +2.00mm Oversize
Wiseco PK1491 Pro-Lite 2-Stroke Piston Kit 90.50mm +1.50mm Oversize Honda CR500/CR480
Wiseco PK1429 66mm +0.5mm Oversize Piston Kit with Top-End Gasket Kit for Honda CRF150R
Wiseco PK1428 Honda CRF150R Forged Piston Kit 68mm 11.7:1 Compression
Wiseco PK1422 High-Compression ATV Piston Kit 103mm 11:1 CR with Top-End Gaskets
Wiseco PK1847 77mm 14.2:1 Forged Piston Kit with Top-End Gasket Kit for 2010 Kawasaki KX250F
Wiseco PK1597 77mm 4-Stroke Piston Kit with Top-End Gasket Kit for 2007-2008 Kawasaki KX250F
Wiseco PK1417 102mm 11:1 High-Compression Forged Piston Kit with Top-End Gasket Kit
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.