Honda 400EX 400X XR400R Kibblewhite Valves Red Viton Seals Stock Top End Gaskets

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Honda 400EX/400X/XR400R Kibblewhite Valves + RED Viton Seals + Gasket Kit Product Overview

Restore or upgrade your Honda TRX 400EX, 400X, or XR400R engine with this top-end va;vetrain rebuild kit featuring high-performance Kibblewhite Black Diamond valves, legendary red Viton valve stem seals, and a premium stock bore top-end gasket kit. Designed to exceed OEM performance at a better price.

Whats Included

• Full set of Kibblewhite Black Diamond stainless steel valves intake and exhaust
• Kibblewhite RED Viton high-temp valve stem seals legendary sealing performance
• Stock bore 85mm Top-End Gasket Kit includes MLS head gasket, base gasket, and valve cover gasket

Model Fitment

Honda TRX400EX (19992008)
Honda TRX400X (2009, 20122014)
Honda XR400R (19962004)

OEM Replacement

Designed as a direct OEM replacement for stock Honda valves and gaskets
Works with stock or aftermarket valve springs and top-end components

Why Youll Love It

• Performance upgrade: Kibblewhite Black Diamond valves flow better and last longer
• Superior sealing: Red Viton valve seals handle high temp and pressure
• Gasket quality: Includes premium MLS head gasket for lasting compression
• Cost-effective: Higher quality than OEM without the dealership price tag
• Reliable: Covered by a 1-year warranty and trusted by pro builders

Frequently Asked Questions

• Q: Does this fit the 2007 TRX400EX? Yes, it fits all 400EX models from 19992008.
• Q: Are these valves better than OEM? Yes, theyre stronger, more durable, and flow better.
• Q: Will this work with OEM valve springs? Absolutely! Its designed for stock or performance springs.
• Q: Is this kit made in the USA? Yes, all Kibblewhite components are proudly made in the USA.

Why Buy from BPRATV?

BPRATV The Best Parts. The Best Performance. The Best Price.
Ships sealed, brand new, and backed by full BPRATV support and 1-year warranty.
BRAPPPPPPPPPP!

Drop in legendary Kibblewhite performancerev harder, seal better, ride longer!

BPRATV LLC

30-3115, 30-3117, 30-3111, 30-3115, 71016-4, 71016 14711-KCY-670, 14721-KCY-670, 14411-KCY-670, 14431-KCY-670, 14445-KF0-000, 14446-KF0-000, 14751-KCY-670, 14761-KG0-003, 14451-MBV-000, 14781-HA0-770, 14455-KCY-670, 14456-KCY-670, 14771-107-020, 14447-KF0-000, 14421-KCY-670, 14775-KCY-670, 14126-KV2-940, 12100-KCY-670