2006-2014 Honda TRX450R Cylinder Works 477cc Big Bore Kit 11005-K01

  
New in box, Cylinder Works 477cc Big Bore Kit. Cylinder Works Big Bore Cylinder Kit. TRX 450 ER (06-14); TRX 450 R (06-09). Use with Hot Rods Crankshaft #4193 for 500cc. Cylinder Kit Type Big Bore. IncludesCylinder, Piston Kit, and Top-End Gasket Kit. Size Over Standard 3.0mm.