Honda CRF450R 100mm Big Bore +3mm Stroker Engine Kit 02–06

🛠️ 100mm Big Bore +3mm Stroker Engine Kit – Honda CRF450R (2002–2006)

Designed for high-performance rebuilds, this complete engine kit includes a 100mm nikasil big bore cylinder and a +3mm stroker crank, increasing overall displacement and improving torque throughout the powerband. Includes a Stage 3 cam and upgraded internals for dependable power.

✅ Fits all 2002–2006 Honda CRF450R models
✅ All parts are brand new and covered by warranty

📦 Kit Includes:

• 100mm BPRATV Big Bore Nikasil-Plated Cylinder (1-Year Warranty)

• JE or CP Carrillo Forged Piston Kit (brand depends on availability)

• High-Temp Piston Rings

• Chrome Wristpin & Circlips

• Hotrods +3mm Stroker Crankshaft with Connecting Rod

• Hotcams Stage 3 Camshaft

• Cam Bearing

• Main Bearings

• Water Pump Bearing

• Transmission Bearings

• Complete Gasket Kit

  • Includes Cometic MLS Head Gasket

• Complete Water Pump Rebuild Kit

  • Bearing, mechanical seal, shaft, O-ring

• BPRATV Heavy-Duty Timing Chain

• BPRATV Talon Clutch Kit – Fibers, steels, springs

• Titanium Head Stud Kit

• Spark Plug

🔧 Key Features:

• Big bore and stroker combo for increased displacement and power

• Camshaft and timing chain upgrades for enhanced top-end reliability

• Heavy-duty internals built to handle high-performance use

• All components are direct fit and require no machining

📦 Shipping Time:
Ships within 5–7 business days. Tracking will be sent upon shipment.

💬 Customer Support:
Available Monday–Friday, 7 AM to 4 PM PST. Our store chat is open 24/7.