Wiseco Pistons
Wiseco 6554M785 Forged Piston Mazda 1.6L 16V B6 78.50mm Bore Sport Compact
Wiseco 6541M81 Honda B18 Forged Piston 81.00mm Bore Sport Compact Professional Series
Wiseco 6582M86 Pro Tru Sport Compact Forged Piston 86mm Bore with Rings & Pins
Wiseco 6649M845 Honda B-Series Forged Piston Bore Dish Shelf Stock - 84.5mm 10cc
Wiseco 6641M90 Toyota 2AZ-FE Professional Series Forged Piston 90mm Bore
Wiseco 6581M875 Pro Tru Sport Compact Forged Piston 87.5mm Bore with Rings & Pin
Wiseco 6568M865 Pro Tru Sport Compact Individual Forged Piston 86.5mm Honda K20
Wiseco 6544M88 Pro Tru Sport Compact Forged Piston 88mm Bore – Single
Wiseco 6571M855 Pro Tru Sport Compact Individual Forged Piston 85.5mm 4G63 4G64 Stroker
Wiseco 6640M875 Pro Tru Sport Compact Forged Piston 87.5mm Bore
Wiseco 6559M86 Pro Tru Sport Compact Forged Piston with Rings & Pin
Wiseco 6545M84 Sport Compact Pro Tru Forged Piston 84mm Individual
Wiseco 6568M88 Honda K20 Professional Series Forged Piston 88mm Bore
Wiseco 6546M755 Pro Tru Sport Compact Forged Piston 75.50mm Bore
Wiseco 6587M895 Pro Tru Forged Piston Nissan KA24 89.5mm Bore -9cc Dish 10.5:1 CR
Wiseco 6677M865AP Professional Series Forged Piston Toyota 2JZ-GTE 86.5mm Bore
Wiseco PK1649 Polaris Trail Boss 350 ATV Top End Piston Kit 81mm 1.00mm Oversize
Wiseco 6556M86 Pro Tru Sport Compact Forged Piston 86mm Bore with Rings and Pin
Wiseco 6542M81 Sport Compact Pro Tru Forged Piston 81mm Honda B-Series Individual
Wiseco 6568M89 Honda Sport Compact Forged Piston Bore - K20 89.00mm
Wiseco Pistons 6542M82 Pro Tru Forged Piston Individual Sport Compact
Wiseco W5075 Round Wire Piston Pin Lock Rings 0.912-0.927 in. Wrist Pin Retainer Set
Wiseco 6588M925 Pro Tru Sport Compact Forged Piston with Rings & Pin
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.