Wiseco Pistons PK1661 90mm Piston Kit for Suzuki DRZ400 Kawasaki KFX400

The Wiseco PK1661 Performance Piston Kit delivers premium forged piston construction engineered specifically for 2000-2008 Suzuki and 2003-2006 Kawasaki 400cc applications. Featuring a 90.00mm bore and 13.5:1 compression ratio, this complete top-end kit includes precision-manufactured pistons, rings, wrist pins, circlips, and a comprehensive gasket set for professional installation.

Key Features:

• 90.00mm bore diameter with 13.5:1 compression ratio for enhanced performance
• 100% in-house forged construction in the USA for superior strength and quality control
• Forged aluminum construction provides greater durability and impact resistance compared to cast pistons
• Grain-aligned forging process optimizes strength-to-weight ratio and fatigue resistance
• Advanced skirt coating reduces friction and extends piston life
• Complete kit includes pistons, rings, wrist pins, circlips, and top-end gasket set
• Designed and tested through rigorous dyno development for motorsport applications

Wiseco's forged pistons feature condensed grain structure aligned to part geometry, delivering higher mechanical properties and superior resistance to the extreme conditions of high-performance riding. Each piston is manufactured with precise tolerances to ensure optimal combustion chamber sealing and reliable performance in demanding dirt bike and ATV applications.