Yamaha YFZ450R ATV 2021-2024 Pro-X Steel Intake Valve Conversion Kit

While all attempts are made to ensure accuracy, images and videos are for illustrative purposes only. Please contact us prior to purchase if you have any concerns.

Compliment your order with the below

Extreme Racing Mini T-Bar 5 Piece T-Handle Tool Set 8-14mm

$46.95

SPP Y Socket Wrench 8/10/12 mm Tool

$14.45

Calculate Shipping

Pro-X Steel Intake Valve Conversion Kit

Made from the toughest materials available.
Steel valves for increased durability and less wear under extreme conditions
Nitrided valves offer high microhardness while supersmooth surface finish reduces friction between stem and guide
Special stronger valve springs deal with the extra weight of the steel valves
Spring are made from premium Chrome Vanadium Steel for higher performance and durability under high RPM
Fully rebuildable with OEM retainers, bases and seals without the need of any further engine modifications
Comes as complete package for quick, easy and cost efficient replacement

Fitment Details

Yamaha YFZ450R 2021
Yamaha YFZ450R 2022
Yamaha YFZ450R 2023
Yamaha YFZ450R 2024

(28.SIS2424-2_636)

SKU	28.SIS2424-2_636
Barcode #	28.SIS2424-2
Brand	Pro-X

Google Trusted Stores...

Friendly & efficient staff & had parts posted to me before weekend as they said i would...2 days to regional area. No trouble recommending them.

These guys here were great. Great service and great postage. I highly recommend to give these guys a call if you need any parts.

I have been going to Firestorm for over 6 years and would not go anywhere else Great friendly staff , always helpful , parts at a great price. Highly recommend using this shop.

Great store both online and in store, no motorcycles but all extras and loads of clothing accessories.