Wiseco Pistons K1668 Harley Davidson 1340 Evolution Big Twin Piston Kit

The Wiseco K1668 piston kit is engineered specifically for Harley-Davidson 1340 Evolution Big Twin engines, delivering race-proven performance and durability. This complete kit includes forged pistons, rings, wrist pins, and circlips for a comprehensive top-end rebuild.

Premium Forged Construction:

• Forged from high-silicon, low-expansion aluminum alloy for superior strength and reduced weight
• Advanced metallurgy improves heat transfer and extends piston life in demanding applications
• Diamond-turned finish from CNC computer-controlled turning centers ensures perfect surface finish with zero size variation
• Compatible with all cylinder bore compositions including cast iron, chrome, Nikasil, and boron composite

Performance Features:

• Precision-engineered valve pockets and dome profile optimized for Evo Big Twin combustion chambers
• Low-friction skirt coating reduces wear and frees up horsepower
• High-quality ring package ensures excellent sealing and oil control
• Includes premium wrist pins and circlips matched to piston specifications

Wiseco is the choice of professional engine builders and performance enthusiasts worldwide. Each piston is manufactured in their state-of-the-art facility using advanced CAD design and CNC machining to deliver consistent quality and precise tolerances. Whether you're rebuilding a stock motor or building a high-performance street or racing engine, Wiseco pistons provide the reliability and performance you demand.