CYLINDER WORKS proposes you are cylinder in 440cc BIG BORE for your motocross KAWASAKI KFX 400cc 4 strokes from 2003 to 2007 / KAWASAKI KLX 400cc 4 strokes from 2003 to 2004 / ARCTIC CAT DVX 400cc 4 strokes from 2004 to 2008 / SUZUKI DRZ 400cc 4 strokes from 2000 to 2017 / SUZUKI LTZ 400cc 4 strokes from 2000 to 2016 This aluminum kit has the same characteristics as your original cylinder except that we go from Ø90mm 400cc to Ø94mm 434cc real and all this without any adaptation or modification to do on your engine. You will be able to mount it without problem with your cylinder head and camshaft of origin. This complete top engine is of a very high quality and finish. The coating is made of nickel silicon carbide to guarantee a minimal friction surface and increase the reliability and duration of your cylinder. But it also allows to have more torque and performance than the original engine. Let's talk about the piston, it is made at VERTEX which is one of the largest manufacturer in the world of high-end piston. The head of the piston is worked to allow an excellent engine compression. It is moreover graphited to have a better lubrication during its passage. We recommend this high end engine for those who wish to give their machine more performance without having to make any modifications. This cylinder is of course sold complete. It includes the cylinder, piston, ring, axle, clips as well as the complete gasket pack. You will not need anything else to reassemble this product. A list of vehicle adaptable for this kit is below. Contractual photo to come.