Wiseco Pistons
Wiseco Pistons K578M865AP Professional Series Forged Piston Kit for Nissan RB25DET
Wiseco K626M87AP Professional Series Forged Piston Kit 87mm 4G63 Turbo -14cc
Wiseco K566M81AP Professional Series Piston Kit 81mm Bore Honda B16A B18 LS VTEC
Wiseco Pistons K586M895AP High-Performance Forged Piston Kit for Nissan KA24
Wiseco Pistons K556M86AP Forged Piston Kit for Nissan Turbo Bore - SR20DET 86mm
Wiseco Pistons K627M8525AP HD Forged Piston Set Mitsubishi Evo 8 4G63 Turbo 85.25mm -21cc
Wiseco Pistons K550M8625AP Forged Piston Kit for 93-98 Toyota Supra 2JZ-GTE 86.25mm Bore 8.3:1 Compression
Wiseco K656M86AP 1400HD E85 Forged Piston Kit 86mm Bore 10.7:1 CR Mitsubishi 4G63
Wiseco Pistons K626M8525AP High Performance Forged Piston Kit for Mitsubishi Evo 8 4G63 Turbo
Wiseco K549M87AP Professional Series Forged Piston Kit 87mm Bore Nissan VG30DETT
Wiseco K0234X05 Professional Series Forged Piston Gen V Bore Dish - Set LT1 4.070 20cc
Wiseco Pistons K591M865AP Sport Compact Forged Piston Kit 86.5mm 8.18:1 CR
Wiseco Pistons K650M865AP Professional Series Forged Piston Kit Bore Honda K-Series - 86.5mm K20
Wiseco Pistons K650M875AP Honda K-Series High Compression Piston Kit 87.5mm Bore
Wiseco Pistons K542M82AP Honda Turbo Piston Kit 82.0mm Bore F-Top Armor Plating
Wiseco Pistons K542M81AP Honda Turbo Forged Piston 81.0mm Bore 1.176 Compression Height
Wiseco K588M93AP Professional Series Forged Piston Kit 93mm Bore Subaru EJ20
Wiseco K615M865AP Toyota 3SGTE Forged Piston Kit 86.5mm +0.5mm Oversize Turbo
Wiseco K549M88AP Professional Series Forged Piston Set 88mm Bore Nissan VG30DETT
Wiseco Pistons K563M815AP Forged Piston Set for Volkswagen 1.8T 5-Valve 81.5mm Bore
Wiseco Pistons K567M84AP High-Performance Piston Kit for Acura 4-Valve Engines 84mm
Wiseco Pistons K549M875AP Nissan VG30 Turbo High-Performance Forged Piston 87.5mm
Wiseco Pistons K588M92AP Forged Piston Kit for Subaru WRX 92mm Bore 8.4:1 Compression
Wiseco Pistons K634M865 High-Performance Forged Piston Kit Honda K24 w/ K20 Head
Wiseco K626M86AP Professional Series Forged Piston Kit 86mm Bore Mitsubishi 4G63
Wiseco K594M855AP Sport Compact Forged Piston Kit 85.5mm Bore 13.5:1 Honda B18C
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.