Wossner Connecting Rod Suzuki DR-Z400 2000-2023 P4009

Stock connecting rods are a common failure point during high-rpm operation or when you increase displacement and boost levels on your DR-Z400. The Wossner P4009 replaces worn or damaged rods with precision-forged components engineered to handle sustained performance demands while maintaining OEM compatibility. This complete kit eliminates guesswork during crankshaft rebuilds—everything you need arrives ready to install.

Wossner uses 8620 forged alloy, a material trusted in racing applications for its ability to absorb shock loads without cracking. Each rod is shot peened to increase surface hardness and fatigue resistance, meaning more cycles before failure. The design was optimized using FEA simulation, ensuring stress is distributed evenly across the component rather than concentrating at weak points.

For DR-Z400 owners pushing higher compression ratios, nitrous, or turbo setups, this rod provides the structural integrity you need. Even stock-displacement riders benefit from the improved reliability and longevity compared to aging OEM parts. Installation pairs directly with OEM bearings and crank pins—no modifications required.

• 8620 forged alloy
• Shot peened finish
• FEA-optimized design
• Complete rebuild kit
• OEM bearing compatible
• Suzuki DR-Z400 fitment
• 2000–2023 model years
• German precision engineering
• Bolt-on installation
• MPN: P4009