International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Honda TRX 450R 2004-2005 97mm CP 13.5:1 RACE Gas Big Bore Top End Cyli Big Bore Cylinder Kit Cylinder Works Cylinder Kit Standard 10003-K01 - J J Motorsports Cylinder Works 11003-K01 The Big Bore Cylinder Kit (Part Number: 11003-K01) is designed to enhance the performance of the 2004–2005 Honda TRX450R Sportrax. This 3mm Big Bore Kit... 100% New aftermarket Big Bore Cylinder Kit built to meet OEM specifications for Honda Cylinder Works Cylinder Kit For Honda TRX 450R 11003-K01 Big BORE Kit - NEW ; Returns. Accepted within 30 days. Seller pays return shipping ; Accurate description Verify the part fits before purchasing Spec: Description: Big Bore Cylinder Kit Compression Ratio: 10., 5:1 Cylinder Diameter: 97mm Cylinder Kit Type: Big Bore Displacement: 479cc Engine Type: 4-Cycle Kit Includes: Cylinder, Piston Kit, and Top-End Gasket Kit Compatible with/Replacement For: HONDA: 12101-HP1-670 Replacement for: Honda TRX 450 R 2004-2005