Engine rebuild kit for Honda CRF 450R 2006 This kit contains everything you need to turn your CRF 450R into a 511cc powerhouse!! This is perfect for racing the open class when CCs are not limited. Do you have a Snowbike kit? This kit is perfect for you! Significant HP/TQ increase throughout the entire range!Includes: Hot Rods Stroker (+3mm) Crankshaft & Bearings Vertex Seal Kit Vertex Engine Gasket Kit Cylinder Works Big Bore (100mm) Cylinder Vertex Piston, Rings, Wrist Pin & Circlips Photo is generic, you will receive the correct parts for the model listed For questions please call customer service. The item "Honda CRF 450R 511CC BIG BORE/STROKER ENGINE REBUILD KIT 2006" is in sale since Thursday, April 20, 2017. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Crankshafts & Connecting Rods". The seller is "ewsmotorsports" and is located in Nine Mile Falls, Washington. This item can be shipped worldwide.