CYLINDER KIT YZF450 10-13 99mm, WORKS CYLINDER 21005-K01 BIG BORE

+2mm Big Bore Complete Cylinder Kit (21005-K01) for Yamaha YZ450F (2010-2013) increases the displacement to 468cc with a 12.5:1 compression ratio. This direct bolt-on kit eliminates the need for replating, ensuring a quick and easy installation. Designed to match OEM appearance and functionality, the kit comes complete with all necessary components for a seamless upgrade.

Features:

• Increases displacement to 468cc with a +2mm bore.
• Direct bolt-on design requires no machining or replating.
• Nickel Silicon Carbide plated for enhanced durability and long service life.
• Honed to precise dimensions for effortless piston installation.
• Includes all components for a complete installation.

Specifications:

• Displacement: 468cc
• Bore size: +2mm
• Compression ratio: 12.5:1
• Piston assembly: Vertex #23655

Included Items:

• Cylinder
• Top-end gasket set
• Piston assembly (piston, rings, pin, and clips)

Cross-Reference OEM Part Numbers:

• Yamaha: 33D-11311-00-00

Vehicle Fitment:

• Yamaha YZ450F (2010-2013)