CYLINDER WORKS CYLINDER KIT CRF450X 2005-2017, 99mm BIG BORE

The Cylinder Works +3mm Big Bore Complete Cylinder Kit is a performance-enhancing solution for Honda CRF450X models, increasing displacement to 478cc. This ready-to-install kit offers OEM-like fitment and quality without the need for replating or additional machining.

Features:

• Increases displacement to 478cc with a +3mm big bore cylinder.
• Nickel Silicon Carbide plating ensures durability and long service life.
• Precisely honed for easy piston installation.
• Complete kit includes all necessary components for a top-end rebuild.
• Compatible with Hot Rods #4170 crankshaft to achieve 500cc displacement.

Included Components:

• Cylinder
• Piston kit
• Top-end gasket kit

Specifications:

• Displacement: 478cc
• Compression ratio: 12.1:1
• Piston type: Vertex #23595

Cross-Reference OEM Part Numbers:

• HONDA: 12100-MEY-670

Vehicle Fitments:

• Honda CRF450X: 2005–2017

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.