Cylinder Kit 100 02-08 Crf450 Works, Honda 02-08 Crf450, Cylinder Works 11002-K01

The +4mm Big Bore Cylinder Kit (Part Number: 11002-K01) is designed to increase the performance of Honda CRF450R models from 2002 to 2008. With a larger bore size, this kit boosts displacement to 488cc, achieving a compression ratio of 12.1:1. When paired with the Hot Rods #4148 crankshaft, displacement increases further to 511cc. This kit includes all components needed for installation, making it an ideal upgrade for enhanced power and performance.

Features:

• (+4mm Big Bore Kit) increases displacement to 488cc with a 12.1:1 compression ratio.
• Achieves 511cc when paired with Hot Rods #4148 crankshaft.
• Compatible with Vertex #22966 piston.
• Includes cylinder, piston, rings, pin, clips, and gaskets for a complete installation.

Vehicle Compatibility:

• Honda CRF450R: 2002–2008

Cross-Reference Part Numbers:

• HONDA: 12100-MEB-670
• HONDA: 12100-MEN-670
• HONDA: 12100-MEN-671

Dispatch Times

Local Stock: Dispatches in < 24 hours

Parts showing as available at our Warehouse in Gorey ship the same business day if ordered before 1pm. 

Supplier Stock: Dispatches in 2-4 Days

Parts showing as available at our Supplier Warehouse are ordered from our supplier and delivered to us before we can dispatch. More info is available on this page under "Stock Availability".

OEM Special Order: Dispatches in 3-10 Days

This website does not have access to live stock levels from our OEM Suppliers. In most cases the parts will be available but in the case of backordered parts we will notify you. We receive parts from Yamaha in 3-4 days, All others including Honda, Suzuki, Kawasaki, Polaris please allow 7-10 days for us to receive the parts. 

Delivery Times

Ireland & Northern Ireland:

1-2 Days using GLS/An Post

Germany, France, Netherlands, Belgium:

3-5 Days using GLS/Fedex

Italy, Spain & Other EU Countries:

4-7 Days using GLS/Fedex