Wiseco Pistons Service Kits
Wiseco CK165 Complete Top End Piston Kit 77mm 13:1 Compression 5-Valve Domed
Wiseco PK1822 82mm Top End Piston Kit for Kawasaki V-Force 700 & Suzuki Twin Peaks 700
Wiseco PK1646 Polaris Predator 500 / Outlaw 500 Top End Piston Kit 104.83mm Oversize
Wiseco PK1439 Compression ATV Piston Kit with Top-End Gasket Kit - 68.5mm 10.5 1
Wiseco Pistons PK1296 Pro-Lite Top End Piston Kit for Kawasaki - 1988-90 KX80 48.0mm
Wiseco WPC149 Complete Bottom End Rebuild Kit with Crankshaft Assembly
Wiseco Pistons WPC119 Complete Bottom End Rebuild Kit for Kawasaki Dirt Bike
Wiseco 40048M08300 Forged Piston Kit 83mm Bore 8.4:1 CR Kawasaki Ultra 260 PWC
Wiseco 435M05650 Pro-Lite Piston Kit Bore Oversize - 2-Stroke 56.50mm 0.50mm
Wiseco 4722P4 Forged Piston Kit 1340 Evo Big Twin 3.538in Bore 8.5:1 Compression .040 Over
Wiseco 4721PS Forged Piston Standard Bore 3.498in 10.5:1 Compression Evo Sportster 1200
Wiseco 4718P2 Forged Piston Kit Evo 883 to 1200cc Overbore 3.518in 9.5:1 Reverse Dome
Wiseco 4716M10240 Honda XR650R 11:1 Dome Forged Piston Kit 102.40mm Oversize
Wiseco 516M07550 2-Stroke Forged Piston Kit 75.50mm Bore 0.50mm Oversize PWC
Wiseco 602M07750 Forged Piston Kit 77.5mm Bore Yamaha WaveRunner SuperJet 650
Wiseco 700M08150 Forged Piston Kit 81.50mm 0.50mm Oversize Polaris 700 2-Stroke PWC
Wiseco 722M06970 2-Stroke Piston Kit 69.70mm Bore Polaris SLX XPS 785 2746CD
Wiseco 632M07600 2-Stroke Forged Piston Kit 76.00mm Bore Arctic Cat Tiger Shark 650
Wiseco 608M07650 2-Stroke Piston Kit 76.50mm +1.5mm Oversize for Kawasaki JS/JSX550
Wiseco 837M08200 2-Stroke Forged Piston Kit Standard Bore 82mm Kawasaki 800 SX-R
Wiseco 791M08100 Forged Piston Kit 81mm Bore Wave Raider 1100 with 3189KD Ring Set
Wiseco 781M08200 Forged Piston Kit 82mm +1mm Oversize for Polaris SLTX 1050 PWC
Wiseco 781M08100 Forged 2-Stroke Piston Kit 81.00mm Bore Polaris SL/SLTX 1050 PWC
Wiseco 40080M10200 Forged Piston Kit 102mm Bore 11.5:1 CR Arctic Cat 700 ATV/UTV
Wiseco Pistons 40012M07700 High-Performance Piston Kit for Suzuki RMZ250 77mm Bore 13.9:1 Compression
Wiseco 423M07250 72.50mm 2-Stroke Piston Kit +1.50mm Oversize for Kawasaki 750 H2 Mach IV
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.