Tupo 80mm Big Bore Liquid-Cooled Cylinder Piston Ring Gasket Top End Rebuild Kit Compatible with Honda Sportrax 300 EX Fourtrax 300EX TRX300 TRX300EX 1998-2008 Race-Model (Not For Rack-Model ATVs)
80mm x 65.50mm Bore and Stroke. 11:1 Compression Ratio.
Notice: This product is an 80mm Big Bore Liquid-Cooled Cylinder.Please confirm before purchasing that this product's bore size is not too large for your vehicle.(Some customers need to replace the cylinder bore size for the TRX300 with 74mm.)
Please ensure that your model matches the description.