Wiseco Pistons Service Kits
Wiseco K2726 V-Twin Forged Piston Kit Twin Cam 88 3.750in Bore 10.5:1 Compression
Wiseco K110 Forged Piston Kit +2.5mm Oversize 73.50mm Bore for Kawasaki H2 750 Mach IV
Wiseco SK1064 Top End Rebuild Kit 72.00mm Standard Bore Polaris 500 Fuji 2-Stroke Twin
Wiseco SK1212 2-Stroke Top End Piston Kit 72.50mm 0.50mm Oversize Ski-Doo 537 Pro-Lite
Wiseco SK1303 2-Stroke Pro-Lite Forged Piston Kit 76.50mm Bore Ski-Doo Snowmobile
Wiseco VT2764 V-Twin Forged Piston Kit Bore Compression with Top End Gaskets - 3.875in 9.5 1
Wiseco SK1376 Pro-Lite 76.50mm 0.50mm Oversize 2-Stroke Piston Kit for Ski-Doo 550F
Wiseco 2355M07350 2-Stroke Forged Piston Kit 73.50mm Bore Polaris Storm Snowmobile
Wiseco 2364M06750 Pro-Lite 2-Stroke Forged Piston Kit 66.50mm Standard Bore
Wiseco WK1211 88mm 2-Stroke Watercraft Complete Piston Kit Sea-Doo 951cc STD Bore
Wiseco WK1041 Forged Piston Kit for 1990-1996 Yamaha WaveRunner SuperJet 650 +0.050" Oversize
Wiseco WK1103 Kawasaki 900 ZXI STX STS Pro-Lite 2-Stroke Forged Piston Kit 74.5mm Overbore
Wiseco WK1241 Kawasaki JS750 Forged Piston Kit 80mm STD Bore 2-Stroke PWC
Wiseco WK1047 Pro-Lite Forged Piston Kit Kawasaki PWC - 76mm JS550 550SX 2-Stroke
Wiseco WK1007 Pro-Lite Forged Piston Kit for Kawasaki JS440 & JS440SX 71.5mm Bore
Wiseco WK1004 Pro-Lite 2-Stroke Top End Piston Kit 69.50mm Bore +1.5mm Oversize
Wiseco WK1328 84mm 2-Stroke Forged Piston Kit for Wet Jet PWC with Top-End Gasket Kit
Wiseco WK1321 2-Stroke Watercraft Complete Forged Piston Kit with Top-End Gasket Kit
Wiseco 2282M06950 Forged Piston Kit 69.50mm +1mm Oversize Yamaha SRX 440 / SSR440 LC 1978-1980
Wiseco 2268M06800 2-Stroke Forged Piston Kit Arctic Cat 440 6000 Series 68mm STD Bore
Wiseco 2312M06950 High Performance Piston Kit 69.5mm Standard Bore Snowmobile
Wiseco 2355M07250 Pro-Lite XPS 2-Stroke Piston Kit 72.50mm +0.50mm Oversize
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.