Wiseco Pistons
Wiseco 3840H High-Performance Plasma-Moly Piston Ring Set – 3.840 in. Bore
Wiseco 3810A Piston Ring Set 3.810 in. Bore Single Cylinder Drop-In
Wiseco S451 Unchromed Piston Wrist Pin 0.927in. OD x 2.500in. 5115 Steel
Wiseco 4000H Plasma-Moly Piston Ring Set – 4.000 in. Bore, Single Piston
Wiseco 4030H Pro Tru Hastings Plasma Moly Piston Ring Set 4.030 in. Bore
Wiseco 4035HF Plasma-Moly Piston Ring Set 4.030 in. Bore 1/16 1/16 3mm
Wiseco 4310H Piston Ring Set - Individual Replacement Rings for One Piston
Wiseco 4137GFX GFX-Style Piston Ring Set 4.137 in. Bore 1.2/1.2/3.0mm File Fit
Wiseco Pistons K481BS BBC Quick 16 Piston Set 4.500" Bore +45cc Dome 1.270" CH
Wiseco Pistons RE912M06640 Racers Elite Piston 66.40mm KTM 250SX TC/TE250
Wiseco Pistons RE908M05400 Racers Elite Piston for Honda - CR125R
Wiseco Pistons RE910M04700 Racer's Elite Piston for KTM 85 SX / Husqvarna TC85
Wiseco Pistons RE904M05400 Racers Elite Piston - TC125 TE125 SX125 EX125
Wiseco Pistons PWR131B870 Complete Power Rebuild Kit Honda TRX400EX 10:1 Compression
Wiseco Pistons RE815M09700 Racers Elite Piston for Yamaha YZ450F 2010-2013
Wiseco Pistons 60232LX05 Chevrolet LT1 6.2L 4.070" Bore -12cc Left Side Piston
Wiseco Pistons RE907M05250 Racers Elite High-Compression Piston for Kawasaki KX100
Wiseco Pistons RE901M04850 Racers Elite High Compression Piston for Suzuki RM85
Wiseco Pistons RE908M05600 Racers Elite Piston Honda CR125R High Compression
Wiseco Pistons WPC173 Complete Crankshaft Kit for Kawasaki KX85/KX100
Wiseco Pistons 40173M09250 Forged Piston Kit for Honda TRX500 Foreman
Wiseco Pistons 40160M08000 Yamaha YXZ1000R Turbo Piston Kit 9.5:1 Compression
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.