Yamaha YFZ 450 big bore kit, 98mm, +3mm oversize, complete kit includes Wiseco Piston with coated skirts, Piston Pin, Piston Rings, Pin Locks, Top End Gasket Kit and a new Cylinder. Fits 2204 - 2009 models. 12-1 comp. Builds a 2004-2005 model to 468cc and a 2006 and newer to 478cc
Click the 'Add to Cart' button above to place this item in your shopping cart - you will not be charged by doing this. Quantities can be changed by clicking 'view cart' at the top of any page.
Item added to cart 
Refer Item To Friend 