In warehouse stock

Kibblewhite Valve and Spring Kit — 0.450" Lift — Kawasaki KX250F '20-'21

Kibblewhite · #0926-3386 · Top End / Engine

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves
Extends the life of the valvetrain and intake components by as much as 4x over the OEM titanium parts
Includes forged one-piece stainless steel intake valves, wound chrome-silicon heat-treated wire valve springs, ultra-light titanium retainers and hardened steel bases
Components are created using Finite Element Analysis (F.E.A.) software, as well as proprietary camshaft analysis and spring design software
Specifically designed and engineered for each application

$188.83

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

Kit Includes:

• 2x Intake Valves

• 2x Basewashers

• 2x Valve Springs

• 2x Titanium Retainers

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves
Extends the life of the valvetrain and intake components by as much as 4x over the OEM titanium parts
Includes forged one-piece stainless steel intake valves, wound chrome-silicon heat-treated wire valve springs, ultra-light titanium retainers and hardened steel bases
Components are created using Finite Element Analysis (F.E.A.) software, as well as proprietary camshaft analysis and spring design software
Specifically designed and engineered for each application
Made in the USA

Specifications17 specs

Spring Lift: 0,450", 0.450"
Stem Diameter: 0.1764", 4.50 mm
Units: Kit
Material: White Diamond® Stainless
Application: Intake
Spring Seat Pressure: 60 lb
Tulip Angle: 10°
Type: Conversion
Head Diameter: 1.260", 32.00 mm
Collar Material: Titanium
Spring Open Pressure: 204 lb
Valve Seat Height: 1.325"
Length: 3.380"
Riding Style: Off-Road
Shipping weight: 0.45 lb
Package size: 8.3 × 5 × 1.3 in
Country of origin: USA

Fitment1 models · Kawasaki

Kawasaki1 models

KX250F2020–2021

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 #: 0926-3386
Kibblewhite part #: 40-41650

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 #40-41650.