Banshee 421cc CPI Serval Top End Kit – Titanium Studs + Cool Head

  ⚡️ 421cc CPI Serval Top End Kit – Yamaha Banshee (All Years & Models) This premium top end package is built around the CPI Serval 421cc cylinder and stacked with Grade 5 Titanium hardware — the strongest, lightest, and longest-lasting fasteners you can get. It's a bolt-on kit made for performance, reliability, and easy serviceability. ✅ Fits all Yamaha Banshee models and years❗ Requires +4mm stroker crank with 115mm rods✅ No case mods required 📦 Kit Includes: CPI 68x58mm Serval Cylinder – 421cc Displacement Wiseco 573 Series Pro Lite Forged Pistons High Temp Piston Rings, Wristpins, Circlips Pro Design Billet Cool Head – With pump gas domes Cool Head O-Ring Kit Cometic One-Piece Cheetah Cub Base Gasket Intake Gaskets Water Jacket Plugs 🔩 Full Titanium Fastener Kit Includes: Titanium Head Stud Kit Titanium 12-Point Flange Nuts for Head and Base Titanium Stud Extenders + Nuts Titanium Cylinder-to-Case Stud Kit All titanium components are Grade 5 heat-treated alloy All fasteners are Allen head and come with a LIFETIME WARRANTY* 🔧 Key Features: Uses +4mm crankshaft with 115mm rods (not included) No trenching or case machining required Compatible with stock crankcases and stock-style carbs Ideal for drag, dune, or aggressive trail builds All parts are brand new and covered by manufacturer warranties 📦 Shipping Time:Ships within 5–7 business days. You’ll receive tracking when your order ships. 💬 Customer Support:Available Monday–Friday, 7 AM to 4 PM PST, and store chat runs 24/7.