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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
Every top-end kit we offer is built for riders who expect unmatched durability
This is a full 500cc Big Bore Engine Build Service designed for both serious racers and riders who want dependable power every ride
WE STOCK THE EXACT SAME PARTS FROM DIFFERENT MANUFACTURERS SO THAT WHEN
SKF bearings feature enhanced sealing to withstand harsh off-road conditions including mud
We share your passion for two-stroke power and are committed to ensuring your Yamaha screams flawlessly
Honda 400EX 400X +1 Ported Assembled Head Port Porting Kibblewhite +1mm Valves Outlander 800 Every top-end kit we offerFITS 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