2Bros Parts

KIT EX VALVE+SPRING YZF450, PROX 28.SES2424-1 GAS-GAS, EXHAUST

$155.25Only 1 left

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Delivery to United States 5–8 business days

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ProX Steel Exhaust Valve/Spring Kit. This kit contains steel exhaust valves and specially designed stronger valve springs. The steel valves extend lifespan compared to OEM titanium valves. The kit replaces OEM valves and springs and can be installed using OEM retainers, bases, and valve seats. Part number 28.SES2424-1. Manufacturer Pro-X Racing. Weight 104g.

Specifications
SKU
65-K102.PX
Brand
Pro-X Racing
Availability
In Stock (1)

Fitments (58)

MakeModelYear
GAS-GASEC F 4502013
GAS-GASEC F 4502014
GAS-GASEC F 4502015
YAMAHAWR 450F2003
YAMAHAWR 450F2004
YAMAHAWR 450F2005
YAMAHAWR 450F2006
YAMAHAWR 450F2007
YAMAHAWR 450F2008
YAMAHAWR 450F2009
YAMAHAWR 450F2010
YAMAHAWR 450F2011
YAMAHAWR 450F2012
YAMAHAWR 450F2013
YAMAHAWR 450F2014
YAMAHAWR 450F2015
YAMAHAYFZ 4502004
YAMAHAYFZ 4502005
YAMAHAYFZ 4502006
YAMAHAYFZ 4502007
YAMAHAYFZ 4502008
YAMAHAYFZ 4502009
YAMAHAYFZ 450 R2009
YAMAHAYFZ 450 R2010
YAMAHAYFZ 450 R2011
YAMAHAYFZ 450 R2012
YAMAHAYFZ 450 R2013
YAMAHAYFZ 450 R2014
YAMAHAYFZ 450 R2015
YAMAHAYFZ 450 R2016
YAMAHAYFZ 450 R2017
YAMAHAYFZ 450 R2018
YAMAHAYFZ 450 R2019
YAMAHAYFZ 450 R2020
YAMAHAYFZ R 4502009
YAMAHAYFZ R 4502010
YAMAHAYFZ R 4502011
YAMAHAYFZ R 4502012
YAMAHAYFZ R 4502013
YAMAHAYFZ R 4502014
YAMAHAYFZ R 4502015
YAMAHAYFZ R 4502016
YAMAHAYFZ R 4502017
YAMAHAYFZ R 4502018
YAMAHAYFZ R 4502019
YAMAHAYFZ R 4502020
YAMAHAYFZ R 4502021
YAMAHAYFZ R 4502022
YAMAHAYFZ R 4502023
YAMAHAYFZ R 4502024
YAMAHAYFZ R 4502025
YAMAHAYZ 450F2003
YAMAHAYZ 450F2004
YAMAHAYZ 450F2005
YAMAHAYZ 450F2006
YAMAHAYZ 450F2007
YAMAHAYZ 450F2008
YAMAHAYZ 450F2009
General Product Group
Cam & Valvetrain
General Product Type
Valve & Spring Kit
Variant Id
264449
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

ProX Steel Exhaust Valve and Spring Kit

Upgrade your motorcycle's performance and durability with the ProX Steel Exhaust Valve and Spring Kit. This kit is designed to replace your OEM titanium valves with high-strength steel, significantly extending the lifespan of your exhaust valves.

ProX offers an extensive selection of titanium-to-steel conversion kits. These steel exhaust valves offer up to three times the lifespan of original equipment manufacturer titanium valves. The ProX kit includes a set of steel exhaust valves along with specially designed, stronger valve springs. The increased weight of the steel valve necessitates the use of a heavier valve spring for optimal performance.

This kit is engineered for a direct replacement of OEM valves and springs. You can utilize your original retainers, bases, and valve seats during installation.

Key Features:

  • Constructed with high-strength steel for enhanced durability.
  • Offers up to three times the lifespan of OEM titanium valves.
  • Includes specially designed, stronger valve springs to accommodate the heavier steel valves.
  • Designed for direct replacement of OEM valves and springs.
  • Compatible with OEM retainers, bases, and valve seats.
Before you buy

QUESTIONS? JUST ASK

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

Call us+44 330 133 3748
Email us[email protected]

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.

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