Wiseco Pistons Service Kits
Wiseco PK1395 GP Series 2-Stroke Top End Piston Kit 56mm +2mm Overbore
Wiseco PK1345 Pro-Lite 2-Stroke Piston Kit 54.5mm Bore for YZ125
Wiseco PK1200 Forged Piston Kit 2002-2010 Yamaha YZ250 67.5mm 804M
Wiseco PK1647 Polaris Trail Boss 350L Top End Piston Kit 80mm Standard Bore
Wiseco PK1579 GP Series Forged Piston Kit Honda - 54mm 762M 00-02 CR125
Wiseco PK1679 47.5mm Piston Kit for Yamaha YFM80 Badger & Raptor 80
Wiseco 4312M07050 Forged Piston Kit 70.50mm Bore .020 Over 10.25:1 CR ATV
Wiseco Pistons 4903M10200 High-Compression Piston Kit for Yamaha Raptor/Grizzly 700
Wiseco 4914M10483 Big Bore Forged Piston Kit 104.83mm 12.5:1 Compression 558cc ATV
Wiseco 4881M07700 Forged Piston Kit 77mm 13.5:1 Compression 250cc Dirt Bike
Wiseco Pistons 841M05600 GP Style Piston Kit 2.00mm Oversize 56.00mm Honda Dirt Bike
Wiseco SK1203 69.25mm 2-Stroke Overbore Piston Kit for Polaris 440AC Indy Snowmobile
Wiseco 2465M08200 Forged Piston Kit 82.00mm Bore Ski-Doo 850 E-TEC Single Ring
Wiseco Pistons K394X75 Professional Series LS Piston Kit Bore Dish - 4.075 8cc
Wiseco Pistons K675M8525AP Forged Piston Kit Mitsubishi Bore CR - 4G63 7-Bolt 85.25mm 9.5 1
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 K566M8125 Professional Series Honda B18 Forged Piston Kit 81.25mm Bore
Wiseco K0143AS Professional Series Forged Piston Set - Chrysler 426 HEMI 4.250" Bore
Wiseco Pistons K0142A6 Professional Series Chrysler Hemi Forged Piston Set Bore - 426 4.310
Wiseco Pistons K0550XS Professional Series Ford 7.3L Godzilla V8 Forged Piston Kit 4.220" Bore
Wiseco Pistons K0069A3 Small Block Chevy 350 23 Degree Turbo Supercharger Dish Piston Kit
Wiseco K0422X135 LS Professional Series Stroker Piston Kit 4.135 Bore 3.900 Stroke
Wiseco KE295M825AP Audi 2.2L 20V Forged Piston Set 82.5mm Bore 6-Cylinder
Wiseco Pistons K0444XS Professional Series Forged Piston Kit 4.000" Bore -11.0cc Dish
Wiseco K0422X125 Chevy LS 3.900 Stroker Forged Piston Kit 4.125in Bore .927 Pin
Wiseco KE165M8675AP Opel Vauxhall C20LET 4-Valve Piston Kit 86.75mm 8:1 CR
Wiseco K627M8625 1400HD Forged Piston Kit for Mitsubishi 4G63 Evo 8 Turbo 86.25mm -21cc
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.