Wiseco Pistons
Wiseco 40080M10200 Forged Piston Kit 102mm Bore 11.5:1 CR Arctic Cat 700 ATV/UTV
Wiseco Pistons 40050M08750 High-Performance Piston Kit for Honda TRX420 87.50mm Bore
Wiseco 40095M09600 Honda CRF450R Forged Piston Kit 96mm 13:1 Domed 4-Valve
Wiseco Pistons 4822M09600 High-Performance Domed Piston Kit for Honda CRF450R/X 13:1 Compression
Wiseco 4806M09500 KTM 450SX 2003-2007 Forged Piston Kit 95mm 13.5:1 Compression 4-Valve Dome
Wiseco 4805M09500 Forged Piston Kit Bore Compression - 4-Stroke 95.00mm 12 1 449cc
Wiseco 4796M09450 Big Bore Piston Kit Compression - 440cc 94.50mm 13.5 1 4.5mm
Wiseco 4795M09450 4-Stroke Forged Piston Kit 94.50mm Bore 440cc Big Bore 12.5:1 Compression
Wiseco 4753M09600 4-Stroke Forged Piston Kit 96mm Standard Bore 11.5:1 Compression
Wiseco Pistons 4382M06650 ATV Piston 0.020" Oversize for Suzuki LT/LTF 230-250
Wiseco 423M07250 72.50mm 2-Stroke Piston Kit +1.50mm Oversize for Kawasaki 750 H2 Mach IV
Wiseco Pistons 471M06700 High-Performance Piston Yamaha - 67.00mm
Wiseco 4606M08800 Forged Piston Kit Honda XR/TRX400EX/TRX400X 88mm 10:1 CR 3.00mm Oversize
Wiseco Pistons 526M06725 Pro-Lite Piston Kit 67.25mm Oversize for Honda CR250R ATC250R TRX250R
Wiseco 520M04950 Forged Piston Kit 49.50mm Bore 1.50mm Oversize 88cc Single Cylinder
Wiseco 4896M08400 84.00mm 11.5:1 Compression ATV Piston Kit 2.00mm Oversize Suzuki
Wiseco Pistons 562M06800 Pro-Lite Piston Kit 68mm .080 Oversize 2-Stroke ATV
Wiseco 4948M10000 KTM 505SX-F/XC-F High-Performance Forged Piston Kit 13.5:1
Wiseco 4928M07700 Forged Piston Kit 77mm 13.9:1 Compression Domed 250cc 4-Stroke
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.