TRX 400EX 400 400X Kibblewhite +1 Valves Springs Complete Valve Head Rebuild Kit

30-3111, 30-3116, 30-3118, 30-3120,30-3111, 30-3116, 30-3118, 30-3120, 14711-KCY-670, 14721-KCY-670 14411-KCY-670, 14421-KCY-670 14431-KCY-670, 14445-KF0-000 14446-KF0-000, 14447-KF0-000 14751-KCY-670, 14761-KG0-003 14451-MBV-000, 14771-107-020 14781-HA0-770, 14455-KCY-670 14456-KCY 670, 14775-KCY-670 14126-KV2-940

Take your Honda 400EX, 400X or XR400R to the next level with this complete valve head rebuild kit from Kibblewhite. This high-performance kit gives your engine an extra boost for faster acceleration and higher top speeds.

• Includes Kibblewhite's lightweight race valve springs for increased valve lift
• Features oversized +1mm intake and exhaust valves for improved airflow
• Bronze valve guides and Viton valve seals optimize valve operation
• OEM valve seats ensure perfect fitment
• Keepers / Cotters (4 Pairs)
• Complete kit has everything needed for a professional valve job.

Give your trusty Honda the power gains it deserves. This complete valve kit adds horsepower and torque for superior performance on the trails or track. Easy bolt-on installation. Fits all years of the 400EX, 400X and XR400R. Made in the USA and backed by a 1-year warranty.