Wiseco Pistons K1675 Harley Davidson 1340 Big Twin Piston Kit

The Wiseco K1675 is a complete high-performance piston kit engineered specifically for Harley-Davidson 1340cc Big Twin engines. This kit includes Wiseco's forged pistons (part numbers 3504X-4724 and 4725P05), rings, wrist pins, and circlips—everything needed for a professional rebuild.

Key Features:

• Forged from high-silicon, low-expansion aluminum alloy for superior strength and reduced weight
• Advanced metallurgy provides improved heat transfer and extended service life
• Precision diamond-turned finish from CNC computer-controlled turning centers ensures perfect tolerances with zero size variation
• Compatible with all modern cylinder bore compositions including cast iron, chrome, nikasil, and boron composite
• Available in oversizes to maximize cylinder life and enable resleeve options
• Engineered for both high-performance racing applications and demanding recreational use

Wiseco's state-of-the-art manufacturing facility utilizes computerized precision equipment to produce the finest forged pistons available for V-Twin applications. Each piston meets exacting specifications to ensure reliable performance and easy installation in your Harley-Davidson Evolution engine.