Wiseco Pistons
Wiseco Pistons 4419M08350 Forged ATV Piston Kit 0.020" Oversized for Yamaha 350cc
Wiseco Pistons 4596M09600 Forged Piston Kit 0.040 Oversized for Yamaha Grizzly 600
Wiseco Pistons 431M07100 Off-Road Piston - 71.00mm 2-Stroke Kit
Wiseco Pistons 526M06850 2-Stroke Forged Piston 68.50mm Oversized
Wiseco Pistons 569M04900 49.00mm 2-Stroke Off-Road Piston Kit 1.00mm Oversize
Wiseco Pistons 4966M10100 High Performance Forged Piston Kit 101mm Bore 9.9:1 CR
Wiseco Pistons 4927M07700 High-Performance Domed Piston Kit for Kawasaki KX250F
Wiseco Pistons 4924M06600 High-Performance Domed Piston Kit for Honda CRF150R
Wiseco Pistons 676M05450 Off-Road Piston - 54.50mm 2-Stroke Kit
Wiseco Pistons 782M05050 50.50mm 2-Stroke Off-Road Piston Kit for Kawasaki KX85
Wiseco 645M04800 Pro-Lite Piston Kit 48.00mm 2-Stroke Off-Road
Wiseco Pistons 754M05600 56.00mm 2-Stroke Off-Road Piston Kit for Suzuki RM125
Wiseco Pistons 605M06900 Off-Road Piston - 69.00mm 2-Stroke Kit
Wiseco Pistons 868M05400 54.00mm 2-Stroke Off-Road Piston Kit for KTM 125 SX
Wiseco K1611 Forged Piston Kit 74ci Pan/Shovelhead 3.497in Bore 9:1 Domed +.060in Oversize
Wiseco K1608 Forged Piston Kit 74ci 9:1 Compression .030 Over 3.467in Bore Panhead Shovelhead Big Twin
Wiseco Pistons 762M05400 GP Series 2-Stroke Piston Kit 54mm Flat Top
Wiseco Pistons 795M06400 Racer's Choice High-Performance Piston Kit - Standard Bore
Wiseco 736M06800 Racer's Choice Single Ring Piston Kit 68mm Standard Bore
Wiseco Pistons 841M05400 GP Series Piston Kit 54.00mm Standard Bore 2-Stroke
Wiseco PK1003 66.5mm Forged Piston Kit with Top-End Gasket Kit Honda 185 200 ATC 10.25:1
Wiseco Pistons 795M06600 Racer's Choice Piston Kit 2.0mm Oversize
Wiseco Pistons 795M06550 Racer's Choice Piston Kit 1.50mm Oversized
Wiseco 795M06450 Racer's Choice Long Rod Piston Kit 64.5mm Oversize
Wiseco 795M06500 Pro-Lite Piston Kit 65mm Long Rod 2-Stroke Yamaha Banshee
Wiseco Pistons PK1036 High-Compression Piston Kit 85mm 11:1 CR for Honda XR/TRX400EX/TRX400X
Wiseco Pistons PK1034 10:1 Compression Piston Kit 87mm Honda XR400 TRX400EX TRX400X
Wiseco Pistons PK1068 Piston Kit for Honda Compression - 94mm 2004-2005 TRX450R 11.5 1
Wiseco K1667 High-Performance Forged Piston Kit for Harley Davidson 1340 Evolution
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.