Pay in 4 interest-free payments of $5141.75 Learn more
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Invest in your YFZ and get years more enjoyment out of it with this upgrade
The OEM Honda cylinder plated by Millennium Technologies offers unmatched reliability and durability
We share your passion for two-stroke power and are committed to ensuring your Yamaha screams flawlessly
SKF bearings feature enhanced sealing to withstand harsh off-road conditions including mud
so we know what areas need improvement the most
Honda 400EX 400X +1 Ported Assembled Head Port Porting Kibblewhite +1mm Valves Outlander 800 Invest in your YFZ andFITS ALL HONDA TRX400EX, 400X, AND XR400R MODELS AND YEARS NEW after market cylinder head and valve cover Full race port and polish Valve guides cut Pocket port for +1mm valves Complete head assembly Kibblewhite valve springs kit Kibblewhite +1mm Black Diamond intake and exhaust valves Kibblewhite Viton valve stem seals Valve keepers Rocker arms Rocker arm shafts All other washers and hardware The head you receive will look just like the one in the
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