Wiseco Pistons
Wiseco Pistons K0378X2 Gen V L83 5.3L Professional Series Piston Kit 3.800 Bore 9.5:1 CR
Wiseco Pistons K0164X125 Ford 302/351 Windsor Twisted Wedge -7.5cc Flat Top Piston Set
Wiseco 4959M08900 4-Stroke Pro-Lite Forged Piston Kit 89mm Standard Bore 13.5:1
Wiseco Pistons PK1026 Top End Piston Kit for Honda TRX300EX 74.0mm
Wiseco PK1146 1986-1991 Honda CR80 47.0mm Forged Piston Top End Kit
Wiseco PK1589 90mm Top-End Piston Kit 9.5:1 Compression Honda TRX450
Wiseco CK177 Yamaha Road Star 4-Stroke Top End Piston Kit 95mm 10.5:1 Compression
Wiseco CK169 Forged Top End Piston Kit 67mm 12.4:1 Dome 4-Stroke
Wiseco CK165 Complete Top End Piston Kit 77mm 13:1 Compression 5-Valve Domed
Wiseco CK104 Top End Piston Kit CR Suzuki Hayabusa - 81mm 13 1 GSX1300R 1999-2006
Wiseco PK1116 Top End Piston Kit Honda - 65.5mm 1980-1983 XR185 XR200
Wiseco PK1064 Top End Piston Kit 95.0mm 13:1 High Compression YFZ450
Wiseco PK1190 Pro-Lite 2-Stroke Top End Piston Kit 50.5mm Bore for Kawasaki KX85
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 Pistons PK1296 Pro-Lite Top End Piston Kit for Kawasaki - 1988-90 KX80 48.0mm
Wiseco PK1270 Pro-Lite Top End Kit 47.5mm Bore for Honda CR80R
Wiseco PK1439 Compression ATV Piston Kit with Top-End Gasket Kit - 68.5mm 10.5 1
Wiseco PK1356 Piston Kit 96mm 11.5:1 Compression 2005-2006 Honda CRF450X
Wiseco PK1822 82mm Top End Piston Kit for Kawasaki V-Force 700 & Suzuki Twin Peaks 700
Wiseco PK1002 66.0mm Piston Kit Honda ATC 185 200 Top End Rebuild Kit
Wiseco K1039 Forged Piston Top End Kit 75.50mm Bore 11:1 CR Kawasaki GPz1000RX Ninja GTR1000
Wiseco 40095M09600 Honda CRF450R Forged Piston Kit 96mm 13:1 Domed 4-Valve
Wiseco 40080M10200 Forged Piston Kit 102mm Bore 11.5:1 CR Arctic Cat 700 ATV/UTV
Wiseco 40015M08800 Forged Piston Kit 88mm Standard Bore 14.5:1 High Compression 4-Stroke
Wiseco Pistons 40012M07700 High-Performance Piston Kit for Suzuki RMZ250 77mm Bore 13.9:1 Compression
Wiseco Pistons 40050M08750 High-Performance Piston Kit for Honda TRX420 87.50mm Bore
Wiseco Pistons 338M07150 High-Performance Piston 71.50mm .060 Oversize Honda ATV
Wiseco Pistons 4382M06650 ATV Piston 0.020" Oversize for Suzuki LT/LTF 230-250
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.