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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:
Vehicle Compatibility:
Cross-Reference Part Numbers:
| Make * | Model * | CC * | Year From | Year To |
|---|---|---|---|---|
| KAWASAKI | KLX | 400 | 2003 | 2006 |
| HONDA | TRX R | 450 | 2006 | 2014 |
Parts showing as available at our Warehouse in Gorey ship the same business day if ordered before 1pm.
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".
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.
1-2 Days using GLS/An Post
3-5 Days using GLS/Fedex
4-7 Days using GLS/Fedex
Parts That Fit
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Competitive Pricing
Discount prices on parts. We offer bulk prices for Dealers.
Parts showing as available at our Warehouse in Gorey ship the same business day if ordered before 1pm.
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".
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.
1-2 Days using GLS/An Post
3-5 Days using GLS/Fedex
4-7 Days using GLS/Fedex
