Wiseco K2801 Black Edition V-Twin Piston Kit 4.125" Bore 121ci 11:1 Compression

The Wiseco K2801 Black Edition V-Twin Piston Kit is engineered for ultimate performance and durability in Harley-Davidson Milwaukee-Eight CVO 121 cubic inch engines. Featuring proprietary, industry-first coatings, these Black Edition pistons deliver exceptional performance while looking as good as they perform.

Key Features:

• ArmorX coating protects critical piston areas including crown, ring grooves, and pin bore through proprietary electrochemical process
• ArmorFit skirt coating allows forged pistons to be installed at tighter clearances, conforming to cylinder bore for ideal performance with less guesswork
• Greatly increased resistance to wear and damage from heat and detonation, plus resists ring microwelding
• Dome design for improved flame travel to maximize air/fuel burn efficiency
• Superfinish piston pin reduces friction and improves scuff resistance
• Enhanced pin oiling for improved lubrication and reduced friction
• Engineered, forged, and machined in the USA in Mentor, OH

Specifications:

• Bore: 4.125 inches
• Compression Ratio: 11:1
• Displacement: 121 cubic inches
• Dome Volume: -6.0cc (negative)

Equip your performance Harley build with the American-made pistons it deserves. ArmorFit skirt coating helps reduce engine noise and friction for miles of reliable riding.