400EX 400X XR400 ProX Pro X Valves Kibblewhite Red Stem Seals Intake Exhaust Kit

28.1495-2, 28.1495-1,14711-KCY-670,14721-KCY-670,12209-KL4-005,30-3115,30-3117,8400003-2, 8400003-1,VES003,VIS003,X2VEK16000,X2VIK16000Is your Honda TRX400EX losing power and performance? These ProX Intake and Exhaust Valves along with Kibblewhite seals are the ultimate upgrade to restore lost horsepower!Key features: Direct fit replacement intake and exhaust valves precision engineered to OEM specs Premium Japanese steel valves for superior durability Kibblewhite high temp red Viton valve seals improve performance Direct OEM Replacements for Honda OEM Part# 14711-KCY-670, 14721-KCY-670, 12209-KL4-005 MADE IN U.S.A. & JAPANReplacing your worn out valves and seals is the #1 way to regain lost engine power. These ProX intake valves are manufactured from premium Japanese steel to precise OEM tolerances for a direct bolt-in replacement. And the Kibblewhite high temp seals ensure proper sealing for maximum compression and horsepower gains.If your Honda TRX400EX ATV is down on power, thi