2Bros Parts

VALVE SPRING SET WR YZ 250F 14-18, KIBBLEWHITE 80-81400, RACING SPRING KIT

$241.83

4.1 Trustpilot 99.9% positive on eBay

Delivery to United States 5–8 business days

Spread the cost with Klarna

1

VALVE SPRING SET WR YZ 250F 14-18, KIBBLEWHITE 80-81400, RACING SPRING KIT. Type Intake / Exhaust. Retainer Material Titanium. Intake Valve Lift 0.395. Intake Seat Pressure 55#. Intake Open Pressure 151#. Intake Installed Height 1.150. Intake @ Lift 0.395. Exhaust Valve Lift 0.370. Exhaust Seat Pressure 46#. Exhaust Open Pressure 119#. Exhaust Installed Height 1.095. Exhaust @ Lift 0.370.

Specifications
SKU
65-7816
Brand
Kibblewhite
Availability
In Stock (2)

Fitments (10)

MakeModelYear
YAMAHAYZ 250F2014
YAMAHAYZ 250F2015
YAMAHAYZ 250F2016
YAMAHAYZ 250F2017
YAMAHAYZ 250F2018
YAMAHAYZ 250FX2014
YAMAHAYZ 250FX2015
YAMAHAYZ 250FX2016
YAMAHAYZ 250FX2017
YAMAHAYZ 250FX2018
General Product Group
Cam & Valvetrain
General Product Type
Valve Spring
Variant Id
292887
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Kibblewhite Racing Valve Spring Kit for Yamaha YZ 250F

This high-performance valve spring kit from Kibblewhite is engineered for the demanding needs of racing applications. Designed to optimize your Yamaha YZ 250F's engine performance, this kit is specifically created for use with KPMI Top End Kits and is not compatible with OEM components.

Key Features:

  • Type: Intake / Exhaust
  • Retainer Material: Titanium
  • Intake Valve Lift: 0.395 inches
  • Intake Seat Pressure: 55 lbs
  • Intake Open Pressure: 151 lbs
  • Intake Installed Height: 1.150 inches
  • Intake @ Lift: 0.395 inches
  • Exhaust Valve Lift: 0.370 inches
  • Exhaust Seat Pressure: 46 lbs
  • Exhaust Open Pressure: 119 lbs
  • Exhaust Installed Height: 1.095 inches
  • Exhaust @ Lift: 0.370 inches

Upgrade your engine's valvetrain with this precision-engineered Kibblewhite racing spring kit for enhanced durability and peak power output.

Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

Trade pricing available

Buying parts for your business? Apply for a 2BrosParts trade account.

Apply for Trade
1