Wiseco Pistons
Wiseco PK1609 Pro-Lite 2-Stroke Top End Piston Kit 56mm 2mm Overbore
Wiseco PK1583 Top End Piston Kit 89mm Bore Honda CR480R CR500R 2-Stroke
Wiseco PK1703 Pro-Lite Top End Piston Kit Bore - 2-Stroke 56mm
Wiseco 374M06750 Pro-Lite Forged Piston Kit 67.50mm +1.50mm Oversize YZ/IT175
Wiseco 40038M10000 4-Stroke Forged Piston Kit 100mm 8.4:1 Compression Sea-Doo Watercraft
Wiseco 40051M07600 76mm Standard Bore Piston Kit 11.4:1 Compression Yamaha WaveRunner VX 1050cc
Wiseco 40048M08300 Forged Piston Kit 83mm Bore 8.4:1 CR Kawasaki Ultra 260 PWC
Wiseco 4721P2 HD 1200 Evo Domed Forged Piston 3.517 in. Bore 10.5:1 Compression
Wiseco 4720PS Forged Piston Standard Bore 3.497in 1200 Evo Sportster 9:1 Compression
Wiseco 4720P2 Forged Piston .020 Over 3.517in Bore 9:1 Compression Harley-Davidson 1200 Evo Sportster
Wiseco 4720P1 Forged Piston Kit 1200 Evo Sportster 9:1 Compression .010 Over 3.508 in. Bore
Wiseco 4719PS Forged Piston Kit Evo 883 Overbore to 1200 10:1 Compression Reverse Dome
Wiseco 4719P1 Forged Piston Kit Evo 883-to-1200 Overbore 10:1 Compression +0.010in.
Wiseco 4718PS Forged Piston Kit Harley Evo to Overbore Compression - 883 1200 9.5 1
Wiseco 4718P3 Forged Piston Kit Harley Evo to Overbore Compression - 883 1200 9.5 1
Wiseco 4718P2 Forged Piston Kit Evo 883 to 1200cc Overbore 3.518in 9.5:1 Reverse Dome
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.