CRF450R 100mm Big Bore Engine Kit – 2013–2016 Honda Models

🛠️ 100mm Big Bore Engine Kit – Honda CRF450R (2013–2016)

This complete bolt-on engine kit increases performance and reliability for 2013–2016 CRF450R models. It includes a 100mm BPR cylinder, forged high-compression piston, heavy-duty crankshaft, and Maxlock titanium head studs with a lifetime warranty. Compatible with pump or race gas.

✅ Fits 2013–2016 Honda CRF450R models
✅ Bolt-on installation – no machining required
✅ All parts are new and backed by warranty

📦 Kit Includes:

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

• CP Carrillo or JE Forged High-Compression Piston (pump gas compatible)

• High Temp Piston Rings

• Chrome Wristpin + Circlips

• Hotrods Heavy Duty Crankshaft with Rod (Assembled)

• Main Crank Bearings

• Water Pump Bearing

• Transmission Bearings

• Complete Gasket Kit

  • Includes Cometic MLS Big Bore Head Gasket

• Complete Engine Seal Kit

• Valve Stem Seals

• Water Pump Mechanical Seal

• Timing Cam Chain

• Performance Clutch Kit

• Maxlock Titanium Head Stud Kit

  • Heat-treated Grade 5 titanium

  • Lifetime replacement warranty*

🔧 Key Features:

• Compatible with pump or race fuel

• No case mods or machining required

• Titanium studs offer strength without added weight

• Engineered for durability and higher output

• Alternate part brands may be used during backorders

  • All substitutions are equal in quality and value

  • Contact us if brand specificity is required

✅ Compatibility:

• 2013–2016 Honda CRF450R

📦 Shipping Time:
Ships within 5–7 business days. Tracking sent once fulfilled.

💬 Customer Support:
Available Monday–Friday, 7 AM to 4 PM PST
Store chat available 24/7