CRF450R 99mm Big Bore +3mm Stroker Kit – 2009–2012

🛠️ 99mm Big Bore +3mm Stroker Engine Kit – Honda CRF450R (2009–2012)SKU: 255048394645 Boost the performance of your CRF450R with this complete top-to-bottom bolt-on engine kit — designed to increase displacement and overall power without any machining. Includes a 99mm big bore cylinder, +3mm Hotrods crankshaft, and all the components needed for a complete engine refresh. ✅ Fits all 2009–2012 Honda CRF450R models✅ Compatible with pump or race gas✅ No machining required – true bolt-on setup✅ All parts are brand new with warranty coverage* 📦 Kit Includes: 99mm Aftermarket Big Bore Cylinder Forged Piston – Wiseco, CP, or JE (based on availability) High-Performance Piston Rings Chrome Wristpin + Circlips Hotrods +3mm Stroker Crankshaft (with Connecting Rod) Main Crankshaft Bearings Transmission Bearings Water Pump Bearing Top & Bottom End Gasket Kit Complete Seal Kit with Water Pump Mechanical Seal Timing Cam Chain Heavy-Duty Clutch Kit MaxLock-Style Cylinder Head Stud Kit 🔧 Key Features: No case mods or cylinder machining required Bolt-on displacement increase = improved torque & power Piston is compatible with both pump and race fuel All items are OEM-compatible and ready to install ⚠️ Warranty Info: All parts must be installed by a qualified mechanic Warranty covers manufacturer defects only Failures due to improper installation, tuning, or misuse are not covered Warranty claims require return of the item for inspection 📦 Shipping Time:Ships within 5–7 business days. Tracking info provided at shipment. 💬 Customer Support:Available Monday–Friday, 7 AM to 4 PM PST.Store chat available 24/7