Kibblewhite Top End Service Kit – Black Diamond™ Valves + Piston Kit – Honda TRX450R / TRX450ER (2006–2014)

🛠️ Description

The Kibblewhite Top End Service Kit is a complete performance rebuild solution for the Honda TRX450R and TRX450ER. Featuring Black Diamond™ stainless steel valves, titanium retainers, high-tensile dual valve springs, and a performance piston kit, this package provides increased durability and race-level reliability. Designed as a complete system, the components are engineered to work together for maximum performance and longevity.

⚠️ Not compatible with OEM piston/valve components – designed as a matched high-performance system.

✅ What’s Included

• 2 × Intake Black Diamond™ Valves

• 2 × Exhaust Black Diamond™ Valves

• 2 × Intake Titanium Retainers

• 2 × Exhaust Titanium Retainers

• 2 × Intake CrSi Valve Springs

• 2 × Exhaust CrSi Valve Springs

• 2 × Intake H.T. Steel Basewashers

• 2 × Exhaust H.T. Steel Basewashers

• 1 × High Performance Piston Kit (piston, rings, pin, clips)

• 1 × Complete Top-End Gasket Kit (gaskets, o-rings, seals)

📦 Fitment

• 2014 Honda TRX450ER (Electric Start)

• 2013 Honda TRX450ER (Electric Start)

• 2012 Honda TRX450ER (Electric Start)

• 2009 Honda TRX450ER (Electric Start)

• 2008 Honda TRX450ER (Electric Start)

• 2007 Honda TRX450ER (Electric Start)

• 2006 Honda TRX450ER (Electric Start)

• 2012 Honda TRX450R

• 2009 Honda TRX450R

• 2008 Honda TRX450R

• 2007 Honda TRX450R

• 2006 Honda TRX450R

🛡️ Warranty Info

Covered under Kibblewhite manufacturer warranty.

⚠️ California Proposition 65 Warning: Cancer and Reproductive Harm – www.P65Warnings.ca.gov

🔑 Key Features

• All-in-one top-end service kit for TRX450R/ER

• Black Diamond™ stainless steel valves improve wear and reduce friction

• High-performance piston kit (2618 alloy w/ skirt coating)

• Titanium valve retainers and CrSi dual springs engineered for racing cams

• Complete top-end gasket kit included for a leak-free rebuild

• Intake Seat Pressure: 40 lb | Exhaust Seat Pressure: 70 lb

• Open Pressure: Intake 147 lb | Exhaust 203 lb

• Spring Lift: 0.440"