2Bros Parts

KIT EX VALVE+SPRING KX450F, PROX 28.SES4409-1 EXHAUST

$171.71Only 1 left

4.1 Trustpilot 99.9% positive on eBay

Delivery to United States 5–8 business days

Spread the cost with Klarna

1

Prox steel exhaust valve and spring kit. This kit replaces OEM valves and valve springs and can be installed using OEM retainers, bases, and valve seats. The kit contains a set of steel exhaust valves plus a set of specially designed stronger valve springs. Prox titanium into steel conversion kits offer an extended lifespan compared to OEM titanium valves. Manufacturer: Pro-X Racing. SKU: 65-K112.PX.

Specifications
SKU
65-K112.PX
Brand
Pro-X Racing
Availability
In Stock (1)

Fitments (10)

MakeModelYear
KAWASAKIKX 450F2009
KAWASAKIKX 450F2010
KAWASAKIKX 450F2011
KAWASAKIKX 450F2012
KAWASAKIKX 450F2013
KAWASAKIKX 450F2014
KAWASAKIKX 450F2015
KAWASAKIKX 450F2016
KAWASAKIKX 450F2017
KAWASAKIKX 450F2018
General Product Group
Cam & Valvetrain
General Product Type
Valve & Spring Kit
Variant Id
264459
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Pro-X Steel Exhaust Valve and Spring Kit

Upgrade your motorcycle's performance and durability with the Pro-X Steel Exhaust Valve and Spring Kit. This kit is designed to replace your OEM titanium exhaust valves and springs, offering a significant improvement in lifespan.

Key Features:

  • Extended Lifespan: Pro-X steel valves are engineered to last up to three times longer than OEM titanium valves.
  • Complete Kit: Includes steel exhaust valves and specially designed stronger valve springs.
  • Direct Replacement: Replaces OEM valves and springs, utilizing original retainers, bases, and valve seats for a straightforward installation.
  • Optimized Performance: The heavier steel valve necessitates a stronger valve spring, which is included in this kit to ensure optimal function.
  • High-Quality Manufacturing: Manufactured by Pro-X Racing, a trusted name in performance motorcycle parts.
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