Wiseco Pistons
Wiseco K571M86 Pro Tru Sport Compact Forged Piston Set Stroker - 86mm 4G63
Wiseco K596M86 Pro Tru Sport Compact Forged Piston Set Stroker - 86mm 4G63 2.3L
Wiseco K563M82 Pro Tru Sport Compact Forged Piston Set 82mm Bore VW 1.8T
Wiseco K559M86 Pro Tru Sport Compact Forged Piston Set 86mm Bore
Wiseco K601M98 Pro Tru Forged Piston Set Sport Compact Series
Wiseco K574M895 Pro Tru Sport Compact Forged Piston Set 89.5mm Bore Nissan FJ20
Wiseco K600M995 Sport Compact Forged Piston Set 99.50mm Bore Subaru EJ25
Wiseco K588M925 Subaru EJ20 Professional Series Forged Piston Set 92.5mm Bore
Wiseco K641M895 Pro Tru Sport Compact Forged Piston Bore Toyota - Kit 89.5mm 2AZ-FE
Wiseco K588M93 Sport Compact Forged Piston Set 93mm Bore Subaru EJ20 4-Valve R/Dome 8.4:1 CR
Wiseco K628M88 Pro Tru Sport Compact Forged Piston Set 88mm Bore
Wiseco K571M85 Pro Tru Sport Compact Forged Piston Set Stroker - 85mm 4G63 4G64
Wiseco K587M905 Sport Compact Forged Piston Set Bore Nissan - 90.5mm KA24DE
Wiseco K641M90 Sport Compact Pro Tru Forged Piston Set 90mm Bore Toyota 2AZ-FE
Wiseco K629M88 Pro Tru Sport Compact Forged Piston Set 88mm Bore
Wiseco K615M87 Toyota 3S-GTE Sport Compact Forged Piston Set 87mm Bore
Wiseco K649M85 Honda B20B/Z VTEC Forged Piston Kit 85mm Bore -10cc Dish
Wiseco K609M83 Sport Compact Forged Piston Set VW 2.0L ABA 8V 83mm 10.5:1
Wiseco K585M825 Sport Compact Pro Tru Forged Piston Set Bore - 82.5mm
Wiseco K560M865 Pro Tru Forged Piston Set Sport Compact Series
Wiseco K642M96 Pro Tru Sport Compact Forged Piston Set 96mm Bore
Wiseco K559M865 Pro Tru Sport Compact Forged Piston Kit 86.5mm Turbo Dish -17cc
Wiseco K614M84 Sport Compact Forged Piston Kit Mazda 2.0L FS 84mm Bore
Wiseco K586M89 Sport Compact Pro Tru Forged Piston Set 89mm Nissan KA24
Wiseco K576M93 Pro Tru Sport Compact Forged Piston Set 93mm Bore Subaru EJ20
Wiseco K584M90 Pro Tru Forged Piston Set Sport Compact Series
Wiseco K585M83 Sport Compact Forged Piston Set 83mm Bore 9.0:1 CR with Rings & Pins
Wiseco K586M905 Sport Compact Pro Tru Forged Piston Set 90.5mm Bore Nissan KA24DE
Wiseco K600M100 Pro Tru Sport Compact Forged Piston Set 100mm Bore
Wiseco K583M865 Pro Tru Sport Compact Forged Piston Set 86.5mm Bore GM 2.2L
Wiseco K548M865 Pro Tru Sport Compact Forged Piston Set 86.5mm Bore
Wiseco K548M86 Pro Tru Sport Compact Forged Piston Set 86mm Bore
Wiseco K612M825 Pro Tru Sport Compact Forged Piston Set 82.5mm Bore
Wiseco K622M88 Pro Tru Sport Compact Forged Piston Set 88mm K24/K20 Head
Wiseco K632M89 Pro Tru Sport Compact Forged Piston Set 89mm Honda F20C F22C S2000
Wiseco K634M895 Pro Tru Sport Compact Forged Piston Set 89.5mm Bore Honda K24
Wiseco K636M88 Forged Piston Kit Bore Mitsubishi - 88mm 9.6 1 4B11T
Wiseco Pistons K598M9975 Pro Tru Forged Piston Set Sport Compact 4-Cylinder
Wiseco Pistons K598M100 Pro Tru Forged Piston Set Sport Compact Series
Wiseco Pistons K543M755 Pro Tru Forged Piston Kit Sport Compact 4-Cylinder
Wiseco Pistons K622M87 Pro Tru Forged Piston Set K24 87mm Bore
Wiseco K593M82 Sport Compact Pro Tru Forged Piston Set 82mm Bore Honda B-Series
Wiseco K544M89 Pro Tru Sport Compact Forged Piston Kit 89mm Bore -14cc Dish
Wiseco K573M86 Pro Tru Sport Compact Forged Piston Set 86mm 11.6:1 Honda K20
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.