CYLINDER WORKS CYLINDER KIT HONDA CRF450R 2009-2012, 99mm BIG BORE

Cylinder Works +3mm Big Bore Complete Cylinder Kit (11006-K01) for Honda CRF450R (2009-2012) increases displacement to 478cc with a 99mm bore and 12.0:1 compression ratio. This direct bolt-on kit is ready to install without requiring replating or additional machining. Built to deliver enhanced performance while maintaining OEM fit and reliability.

Features:

• Big bore cylinder increases displacement to 478cc (+3mm).
• Bore size: 99mm with a compression ratio of 12.0:1.
• Nickel Silicon Carbide plating for extended durability.
• Honed to exact specifications for seamless piston installation.
• Direct bolt-on design requires no machining or replating.
• Complete kit includes gaskets, cylinder, piston, rings, pin, and clips.
• Optional use with Hot Rods #4193 increases displacement to 500cc.

Specifications:

• Displacement: 478cc
• Bore size: 99mm
• Compression ratio: 12.0:1
• Piston assembly: Vertex #23534

Included Items:

• Cylinder
• Piston
• Rings
• Pin and clips
• Gaskets

Cross-Reference OEM Part Numbers:

• Honda: 12100-MEN-A30
• Honda: 12100-MEN-A50

Vehicle Fitment:

• Honda CRF450R (2009-2012)

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.