Wiseco Pistons
Wiseco Pistons PK1000 Top End Piston Kit 65.0mm for Honda ATC 185/200
Wiseco Pistons PK1639 Top End Piston Kit for 2003-11 KTM 85 SX/XC 47mm
Wiseco PK1608 Pro-Lite 54mm 2-Stroke Piston Kit with Top-End Gasket Kit for Kawasaki KX125
Wiseco Pistons PK1591 Complete Top End Piston Kit 91mm for Honda TRX450
Wiseco Pistons PK1202 Pro-Lite Piston Kit for Yamaha YZ85 47.5mm Bore
Wiseco PK1177 Pro-Lite 2-Stroke Top-End Piston Kit 44.50mm Standard Bore
Wiseco Pistons PK1168 Pro-Lite Top End Piston Kit 66.4mm for Honda CR250
Wiseco Pistons PK1164 Pro-Lite Top End Kit for Honda CR125 54.0mm
Wiseco Pistons PK1779 Top End Rebuild Kit for Yamaha Kodiak/Big Bear 400 84mm
Wiseco Pistons PK1682 Piston Kit for Yamaha - 54mm TTR125/L 2000-2008
Wiseco Pistons PK1665 41mm Top End Piston Kit for Suzuki JR50 Kawasaki KDX50 KFX50
Wiseco Pistons PK1106 Top End Kit for Polaris ATV 400 83.00mm Bore
Wiseco PK1257 Pro-Lite Top End Piston Kit Bore - 2-Stroke 54.00mm
Wiseco PK1435 Top End Piston Kit 100mm 9.9:1 Compression for Yamaha Grizzly/Rhino 660
Wiseco PK1427 Piston Kit Honda CRF150R 66mm 11.7:1 Compression Top End Kit
Wiseco Pistons PK1514 ProLite Top End Piston Kit for KTM 65 SX/XC 45mm
Wiseco Pistons 801M06640 Standard Bore Piston Kit for Dirt Bikes
Wiseco PK1343 GP Series 2-Stroke Top End Piston Kit 52.50mm Bore YZ85 Supermini
Wiseco Pistons K1641 Harley 1340 Evolution Piston Kit 8.5:1 Compression
Wiseco Pistons PK1436 High-Performance Piston Kit for Yamaha Grizzly/Rhino 660 9.9:1 100.50mm
Wiseco PK1884 Pro-Lite 2-Stroke Piston Kit 66.40mm Standard Bore KTM 250SX/EXC/XC/XC-W
Wiseco PK1877 Piston Kit 77mm 13.4:1 Compression Suzuki RMZ250 2010-2014
Wiseco Pistons 393M06400 Yamaha Performance Piston Kit 64mm Standard Bore
Wiseco Pistons 4292M06700 Forged Piston Kit for Yamaha YTM/YFM 200
Wiseco Pistons 40021M08500 8.5:1 Compression Piston Kit for Polaris Snowmobiles
Wiseco Pistons 40016M09800 8.5:1 Compression Piston Kit for Arctic Cat Snowmobile
Wiseco 40052M08300 Forged Piston Kawasaki Ultra LX STX 15-F STX 10.6:1 CR 83mm
Wiseco Pistons 4016M06500 High Performance Forged Piston Kit Honda CB750K 10.25:1 Compression
Wiseco Pistons 4562M10241 Forged Piston Kit for Honda XR650L 1993-1999
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.