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.
V-Twin performance has been around since some of the earliest days of motorcycle racing and engine modification, and Wiseco has been there since the beginning. Applying over 80 years of experience, Wiseco has fine-tuned its V-Twin pistons for each specific engine platform to optimize performance and durability. From reliable rebuilds to all-out race, Wiseco has the pistons for your V-Twin build.
Domed, Displacement: 80", Stroke: 4.250", Bore Size: 3.503"/.005, Compression: 10:1
Improved tensile strength of forged material optimizes strength and service life
Optimized compression ratio to fit your build and performance goals
Wiseco 4 Stroke Forged Series Piston Kit, 3.503 in. Bore, 10:1 CR
Designed and built for each specific 4-stroke powersports engine
Designed and built specifically for each V-Twin engine platform
Dedicated forgings allow for optimized strength-to-weight ratio
Includes high-quality piston rings, wrist pin(s), and circlips
Engineered, forged, and machined in the USA in Mentor, OH
Wiseco Harley 1340 3504X-4724,4725P05 Piston Kit
Wrist pin, rings and circlips included
Harley 1340 KIT(3504X-4724,4725P05
3.503 in. Bore, 10:1 CR
Engine Piston Set
Piston Kit
