TRX400EX TRX 400EX Head Cylinder 87 mil Big Bore Kit Cover Top End Rebuild. FITS ALL HONDA TRX400EX, 400X, AND XR400R MODELS AND YEARS. New after-market cylinder head – NO VALVES OR SPRINGS HEAD ONLY. Aftermarket cylinder head valve cover. 87mm after-market big bore cylinder. Wiseco JE or CP forged piston. Head works with all […]
