4691PS BBS 4691PS

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.

• 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
• Designed and built specifically for each V-Twin engine platform
• Engineered, forged, and machined in the USA in Mentor, OH
• Wrist pin, rings and circlips included
• 3.498 in. Bore, 8.5
• 1 CR

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