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.
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.
Complete Package: Each piston includes a wrist pin, rings, and circlips, providing everything needed for installation
Forged Material: Optimizes strength and service life, ensuring durability under high-stress conditions
Performance-Enhancing Features: Varied across applications to maximize both durability and power
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, 3.740 in. Bore, 9.5:1 CR
Designed and built specifically for each V-Twin engine platform
Engineered, forged, and machined in the USA in Mentor, OH
Wiseco HD 1340 Evo BB KIT (3740XH-4661PS) Piston Kit
Wrist pin, rings and circlips included
HD 1340 EVO BB KIT (3740XH-4661PS)
3.740 in. Bore, 9.5:1 CR
Engine Piston Set
Piston Kit
