Wiseco Pistons
Wiseco K669M8525AP Professional Series Forged Piston Set Mitsubishi - 4G63T 85.25mm
Wiseco Pistons K0433BS Stroker Max Dome LS Piston Kit 4.000in Bore 4.000in Stroke +11.8cc
Wiseco K0066A3 Professional Series Forged Dish Pistons Small Block Chevy 4.030 Bore
Wiseco K0242A3 Forged Dome Pistons Big Block Chevy 454 4.280" Bore 12.0:1 CR
Wiseco K674M8525AP Honda K-Series Forged Piston Kit 85.25mm Bore ArmorGlide
Wiseco ASC-07446 BMW M54B30 -7.3cc Dish Forged Piston - Single (For KE325M845)
Wiseco K0400XS Professional Series 4.090" Bore Forged Piston Set for 6.2L HEMI
Wiseco Pistons K0397X05 Professional Series Forged Piston Set Bore Hemi - 4.095 392
Wiseco Pistons K0396XS Professional Series Forged Piston Set Bore Hemi - 4.090 6.4L
Wiseco K0396X05 Professional Series Forged Piston Set 4.095" Bore -8.00cc Dish 392 HEMI
Wiseco K0120A125 Big Block Mopar Flat Top Piston Set 4.375 Bore 383/400/440
Wiseco 6656M8525AP Professional Series Forged Piston for Mitsubishi 4G63 85.25mm Bore
Wiseco 6678M865AP Sport Compact Forged Piston Kit Toyota 2JZ 86.5mm 10.5:1 CR
Wiseco PTS520A3 Pro Tru Street BBC Forged Piston & Ring Set 4.280 Bore 21cc Dome
Wiseco K548M8625 Mitsubishi 4G63 Gen 2 Forged Piston Set 86.25mm Bore 8.0:1 Compression
Wiseco Pistons K0234XS Professional Series Chevrolet LT1 Piston Set 4.065 Bore -20cc Dish
Wiseco K566M8125 Professional Series Honda B18 Forged Piston Kit 81.25mm Bore
Wiseco Pistons K550M8625 Professional Series Toyota 2JZ-GTE Piston Set 86.25mm Bore
Wiseco K656M8525 Professional Series Forged Piston Set Mitsubishi 4G64 85.25mm Bore
Wiseco Pistons K615M8625 Forged Piston Kit Toyota 3SGTE 86.25mm Bore -6cc Dished
Wiseco K578M8625 Professional Series Piston Set Nissan RB25DET 86.25mm Bore
Wiseco K702M87 Professional Series Forged Piston Kit 87mm Bore 8.8 CR Mitsubishi Evo X 4B11T
Wiseco K702M8675 Forged Piston Kit Mitsubishi EVO X 4B11 86.75mm Bore 8.8:1 CR
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.