2Bros Parts

KIT IN VALVE+SPRING CRF450, PROX 28.SIS1403-2 INTAKE

£140.50

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ProX Steel INTAKE Valve/Spring Kit. This kit contains steel intake valves and specially designed stronger valve springs. The ProX kit replaces OEM valves and valve springs and can be installed using OEM retainers, bases, and valve seats. Part number: 28.SIS1403-2. Weight: 174g. Manufacturer: Pro-X Racing.

Specifications
SKU
65-K153.PX
Brand
Pro-X Racing
Availability
In Stock (5)

Fitments (7)

MakeModelYear
HONDACRF 450R2002
HONDACRF 450R2003
HONDACRF 450R2004
HONDACRF 450R2005
HONDACRF 450R2006
HONDACRF 450R2007
HONDACRF 450R2008
General Product Group
Cam & Valvetrain
General Product Type
Valve & Spring Kit
Variant Id
264469
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

ProX Steel Intake Valve and Spring Kit for Honda CRF450R

Upgrade your engine's performance and durability with the ProX Steel Intake Valve and Spring Kit. This kit is designed to replace your original equipment titanium valves with robust steel alternatives, significantly extending the lifespan of your engine's valve train.

ProX specializes in high-quality engine components, and this kit exemplifies their commitment to durability and performance. By converting from titanium to steel, you can expect up to three times the lifespan compared to OEM titanium valves, providing a more reliable and long-lasting solution for your motorcycle.

Key Features:

  • Steel Intake Valves: Manufactured from high-strength steel for enhanced durability and longevity.
  • Stronger Valve Springs: Includes specially designed, stronger valve springs to accommodate the increased weight of steel valves, ensuring proper valve operation.
  • Direct Replacement: Designed to directly replace OEM valves and valve springs.
  • Uses OEM Components: Can be installed using your motorcycle's original retainers, bases, and valve seats, simplifying the installation process.
  • Extended Lifespan: Offers up to three times the lifespan of OEM titanium valves, reducing the need for frequent replacements.
Before you buy

QUESTIONS? JUST ASK

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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.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. 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.

More answers in our FAQ.

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