Yamaha Banshee 421cc CPI Polished Serval Cub Top End Kit

💥 Add Big-Time Serval Cub Power to Your Banshee! This high-performance 421cc CPI Serval Cub top end kit brings serious horsepower and aggressive styling to your Yamaha Banshee. Built for all-out power, this setup fits all years and models — just bolt on and ride. Note: Polished version ships in 3 weeks due to processing time. 📦 Kit Includes: CPI Serval Cub Cylinder – 421cc Polished finish (ships in approx. 3 weeks) Wiseco 573 Series Pro Lite Pistons – Forged for durability and performance Wiseco High-Temp Piston Rings – Long-lasting seal under extreme heat Chrome Wrist Pins & Circlips – Smooth, secure installation Cometic Cheetah Cub Base Gasket (.020") – Premium sealing performance ARP 12-Point Base Nuts – Superior clamping force Stud Extenders – Ready for long-rod setups Water Jacket Plugs – Prepped for clean coolant routing 🔧 Key Features: Fits all Yamaha Banshee models and years Delivers massive power gains with reliable, proven parts Works with mo