2Bros Parts

HONDA CRF 450X 2005 - 2017 STEEL INTAKE VALVE CONVERSION KIT

£202.42

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Free UK delivery 2–4 business days

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Steel intake valve conversion kit manufactured from premium grade steel to exact OEM specifications and tolerances by leading OEM factories in Japan. This is a direct and cost-efficient OEM replacement. ProX offers a wide range of steel and titanium engine valves as well as titanium into steel conversion kits.

Specifications
SKU
PROX.28-SIS1405-2
Brand
Prox
Availability
In Stock (4)
SKU
PROX.28-SIS1405-2
Brand
Prox
Availability
In Stock (4)
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

ProX Steel Intake Valve Conversion Kit

The ProX Steel Intake Valve Conversion Kit provides a reliable and cost-effective alternative to standard OEM valve setups. Designed for riders looking to improve engine longevity, this conversion kit replaces stock components with premium-grade steel valves manufactured to exact specifications and tolerances.

By switching to a steel valve configuration, this kit offers increased durability for your valvetrain. These components are produced by leading OEM factories in Japan, ensuring that every valve meets high quality standards for consistent performance and reliable operation under demanding conditions.

Key Features

  • Premium Material Construction: Manufactured using high-quality steel to ensure superior strength and heat resistance compared to standard options.
  • Precision Engineering: Built to exact OEM dimensions and tolerances for a direct and seamless fitment.
  • Enhanced Reliability: Designed to provide a robust solution for engine valvetrains, offering long-term stability.
  • Cost-Efficient Upgrade: A practical choice for engine maintenance and performance builds that require dependable, heavy-duty components.
  • Japanese Manufacturing: Produced by industry-leading OEM factories to guarantee consistent material quality and craftsmanship.

Whether you are performing a routine top-end rebuild or looking to upgrade your engine for better durability, the ProX Steel Intake Valve Conversion Kit is engineered to provide the surface hardness and reliability necessary for high-performance use.

Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.

Call or email us with your make, model and year 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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