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The Wiseco team has led the powersports performance industry through eras and technological advancements, including the rise of high-performance 4-stroke engines. Today, Wiseco’s forged 4-stroke pistons are engineered for specific engine applications and manufactured to the tightest tolerances, offering unparalleled performance and strength. Wiseco 4-stroke pistons are proven across all levels of riding and are available for a wide range of models, including Honda, KTM, Yamaha, and many more.
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Wiseco 4 Stroke Forged Series Piston Kit, 55.00 mm Bore, 11:1 CR
Wiseco 4 Stroke Forged Series Piston Kit, 71.00 mm Bore, 8.7:1 CR
Wiseco 4 Stroke Forged Series Piston Kit, 71.50 mm Bore, 8.7:1 CR
Wiseco 4 Stroke Forged Series Piston Kit, 72.00 mm Bore, 8.7:1 CR
Wiseco 4 Stroke Forged Series Piston Kit, 74.00 mm Bore, 13:1 CR
Wiseco 4 Stroke Forged Series Piston Kit, 77.00 mm Bore, 12.7:1 CR
Wiseco 4 Stroke Forged Series Piston Kit, 77.00 mm Bore, 13.5:1 CR
Wiseco 4 Stroke Forged Series Piston Kit, 77.00 mm Bore, 12.5:1 CR
Wiseco 4 Stroke Forged Series Piston Kit, 77.00 mm Bore, 13.5:1 CR
Wiseco 4 Stroke Forged Series Piston Kit, 77.00 mm Bore, 14:1 CR
Wiseco 4 Stroke Forged Series Piston Kit, 79.00 mm Bore, 13.2:1 CR
Wiseco 4 Stroke Forged Series Piston Kit, 83.00 mm Bore, 10.25:1 CR
Wiseco 4 Stroke Forged Series Piston Kit, 83.00 mm Bore, 8.6:1 CR
Wiseco 4 Stroke Forged Series Piston Kit, 83.50 mm Bore, 10.25:1 CR
Wiseco 4 Stroke Forged Series Piston Kit, 83.50 mm Bore, 8.6:1 CR
Wiseco 4 Stroke Forged Series Piston Kit, 84.00 mm Bore, 10.25:1 CR
A 4-stroke engine is an internal combustion engine that completes four strokes—intake, compression, power, and exhaust—during two crankshaft rotations. This design ensures efficient fuel combustion and better control over exhaust emissions, making it the standard in high-performance and Powersports applications.
Individual Wiseco pistons and piston kits are the top choice for those who demand the best from their 4-stroke engines. Here’s why:
Choosing Wiseco means opting for a brand with over 80 years of experience in the industry. Our commitment to quality and performance is unmatched. Whether you’re racing at the professional level or enjoying Powersports as a hobby, Wiseco’s 4-stroke pistons are engineered to deliver top-tier performance.
Explore our full selection of 4-stroke pistons and experience the difference that precision engineering and superior materials can make in your high-performance applications. Trust in Wiseco to keep your four-stroke running at its best.
Wiseco offers a comprehensive selection of 4-stroke pistons tailored for various Powersports applications. Here’s a closer look at our two different 4-stroke series types and their best-suited applications:
The Forged Series of 4-stroke pistons is engineered for versatility and covers various applications. These pistons are designed for ATVs, dirt bikes, street bikes, snowmobiles, UTVs, V-Twins, and more, and they provide options in various bore sizes and compression ratios.
Key Features:
Best Applications:
The Racer Elite series is crafted for those competing at the highest levels. These pistons are
engineered to deliver peak performance in racing environments.
Key Features:
Best Applications:
Wiseco’s selection of 4-stroke pistons offers a solution for your Powersports applications. Whether you’re into recreational riding, competitive racing, or both, Wiseco has the right 4-stroke piston series to enhance your engine’s performance. Trust in Wiseco pistons to keep your 4-stroke engine running at its best, no matter the challenge.
If you’d like to learn more about Wiseco 4-stroke pistons, check out the answers to our most frequently asked questions below.
2-stroke pistons operate in engines that complete a power cycle in two strokes of the piston (one crankshaft rotation), making them simpler and more lightweight but often less durable. 4-stroke pistons, on the other hand, work in engines that complete a power cycle in four strokes (two crankshaft rotations), resulting in more efficient combustion and better emissions control.
A 4-stroke engine operates through four stages: intake, compression, power, and exhaust. During the intake stroke, the piston moves down, drawing in a fuel-air mixture. In the compression stroke, the piston moves up, compressing this mixture. The power stroke occurs when the spark plug ignites, forcing the piston down and generating power. Finally, the piston moves again in the exhaust stroke, expelling exhaust gases. This cycle repeats to produce continuous power.
Choosing the right 4-stroke piston involves considering factors such as engine type, bore size, compression ratio, and specific application (e.g., racing, off-road, street). Wiseco provides a variety of options tailored for different engines and uses.
With over 80 years of experience, Wiseco has perfected the art of piston manufacturing, utilizing advanced 3D design techniques and high-quality forged materials to ensure each piston meets the highest standards. Whether you’re a professional racer or a Powersports enthusiast, Wiseco 4-stroke pistons provide the strength and reliability to push your engine to its limits. Browse our full selection today and experience the Wiseco difference in every ride.
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