In warehouse stock

Kibblewhite Top End Kit — White Diamond® Valves with Piston Kit — Yamaha WR450F/YZ450F

Kibblewhite · #0903-1589 · Top End / Engine

Kit includes all necessary parts for a complete top-end service/rebuild: pistons, piston rings, piston pins, gaskets, valves, and valve springs
Pistons fully machined from 2618 aluminum alloy with a performance skirt coating
Lightweight racing valve spring kit with titanium valve spring retainers, dual springs and H.T. steel base washers (springs are suitable for use with high-performance cams)
All necessary gaskets, seals and O-rings included
The pistons, rings,valve and pin clips are designed to work togethere as a system.

$736.36

In stock. Ships in 2–4 business days · free shipping over $150.

Questions? Call the shop: 801-361-3010

Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014

Description & features6 features

Includes:

• 3x Intake Titanium Retainers

• 3x Intake CrSi Valve Springs

• 3x Intake H.T. Steel Basewashers

• 2x Exhaust Titanium Retainers

• 2x Exhaust CrSi Valve Springs

• 2x Exhaust H.T. Steel Basewashers

• 2x Intake Standard Outer White Diamond® Valves

• 1x Intake Standard Center White Diamond® Valve

• 2x Exhaust Standard White Diamond® Valves

• 3x Intake Viton® Seals

• 2x Exhaust Viton® Seals

• 1x High Performance Piston Kit

• 1x Top-End Gasket Kit

Kit includes all necessary parts for a complete top-end service/rebuild: pistons, piston rings, piston pins, gaskets, valves, and valve springs
Pistons fully machined from 2618 aluminum alloy with a performance skirt coating
Lightweight racing valve spring kit with titanium valve spring retainers, dual springs and H.T. steel base washers (springs are suitable for use with high-performance cams)
All necessary gaskets, seals and O-rings included
The pistons, rings,valve and pin clips are designed to work togethere as a system.
Not compatible with OEM components.

Specifications12 specs

Application: Exhaust, Intake
Collar Material: Titanium
Spring Lift: 0,380", 0.380"
Material: White Diamond® Stainless
Units: Kit
Valve Seat Height: 1.105"
Riding Style: Off-Road
Spring Seat Pressure: 39 lb
Spring Open Pressure: 86 lb
Shipping weight: 1.91 lb
Package size: 8.1 × 8 × 2.3 in
Country of origin: USA

Fitment2 models · Yamaha

Yamaha2 models

WR450F2007–2015
YZ450F2006–2009

Fitment comes from the distributor’s catalog. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.

Part numbers

Salto part #: 0903-1589
Kibblewhite part #: 80-82000

Shipping

In stock at a distributor warehouse. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.

Questions4 answers

Is it in stock?: Yes — the distributor shows it on a shelf at a regional warehouse right now. We check again the moment you order, before anything is charged.
How fast will it get to me?: Usually 2–4 business days by ground.
Will it fit my machine?: The distributor lists it for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine Kibblewhite?: Yes. It ships new from the same distributors the big online stores buy from — Kibblewhite part #80-82000.