Wiseco Pistons Service Kits
Wiseco Pistons 6650M87AP Sport Compact Forged Piston Kit Honda K-Series 87mm ArmorGlide
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 Pistons K0378X2 Gen V L83 5.3L Professional Series Piston Kit 3.800 Bore 9.5:1 CR
Wiseco Pistons K447X75 Professional Series LS 4.075 Bore 12cc Dome Forged Piston Kit
Wiseco K697M965 HD Forged Piston Kit Nissan VQ37VHR 96.5mm 11.5:1 Compression
Wiseco K728M8625 Professional Series Forged Piston Kit 86.25mm Bore Subaru FA20 Direct Injection -16cc
Wiseco KE295M825AP Audi 2.2L 20V Forged Piston Set 82.5mm Bore 6-Cylinder
Wiseco Pistons K0433BS Stroker Max Dome LS Piston Kit 4.000in Bore 4.000in Stroke +11.8cc
Wiseco KE247M74 Forged Piston Kit Suzuki G13B 1.3L 16V 74mm Bore 8.5:1 Compression
Wiseco K634M87 87mm Forged Piston Kit Honda K24 with K20 Head 12.8:1 Compression
Wiseco KE325M8425 Professional Series Forged Piston Kit BMW M54B30 84.25mm 9.0:1 CR
Wiseco K0381X1 Professional Series Forged Piston Kit GM L83 5.3L 3.790" Bore
Wiseco K680M9558AP Forged Piston Kit Nissan VR38DETT 95.58mm Bore Stroker
Wiseco K674M8525AP Honda K-Series Forged Piston Kit 85.25mm Bore ArmorGlide
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 K0044X1 Professional Series LS Forged Piston Kit Bore Dome - 4.010 9cc
Wiseco K704M995 Forged Piston Kit for Subaru EJ257 WRX STI 99.5mm Bore 9.0:1 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.