2Bros Parts

YAMAHA YFZ 450 QUAD ALL MODELS 2003 - 2019 STEEL INTAKE VALVE CONVERSION KIT

£251.02

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Free UK delivery 2–4 business days

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Steel intake valve conversion kit made of premium grade steel manufactured to exact OEM specifications and tolerances. Made by leading OEM factories in Japan, these are 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-SIS2424-2
Brand
Prox
Availability
In Stock (4)
SKU
PROX.28-SIS2424-2
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

Upgrade your engine reliability with the ProX Steel Intake Valve Conversion Kit. Designed as a direct and cost-efficient replacement for your original components, this kit provides a robust alternative for riders looking to enhance durability without sacrificing performance.

ProX valve train components are manufactured by leading OEM factories in Japan to meet exact specifications and tolerances. By switching to steel valves, you gain a reliable engine setup that is built to handle the demands of high-performance riding while maintaining precision fitment.

Key Features

  • Premium Grade Steel: Manufactured from high-quality materials to ensure long-lasting durability and consistent performance.
  • OEM Specifications: Engineered to exact factory tolerances for a seamless installation and reliable engine function.
  • Proven Reliability: Crafted by leading Japanese manufacturers to provide a dependable upgrade over standard components.
  • Cost-Efficient Solution: An ideal alternative for riders needing a high-quality intake valve replacement that balances strength and value.

Whether you are performing a top-end rebuild or looking for a more robust valve train configuration, the ProX Steel Intake Valve Conversion Kit offers the engineering precision and material quality required to keep your engine running at its peak.

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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