2Bros Parts

VALVE EXHAUST XR50, Z50, CRF50, PROX 28.1040-1 14721-GK4-601

$19.95

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Delivery to United States 5–8 business days

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ProX steel exhaust valve. Size: 16.00x68.60x5.00mm. Tulip 23 degrees. Overall length 2.725 inches. Made from premium steel by leading OEM factories in Japan. Direct and cost-efficient OEM replacement.

Specifications
SKU
65-475.EX.PX
Brand
Pro-X Racing
Availability
In Stock (2)

Fitments (35)

MakeModelYear
HONDACRF 50F2004
HONDACRF 50F2005
HONDACRF 50F2006
HONDACRF 50F2007
HONDACRF 50F2008
HONDACRF 50F2009
HONDACRF 50F2010
HONDACRF 50F2011
HONDACRF 50F2012
HONDACRF 50F2013
HONDACRF 50F2014
HONDACRF 50F2015
HONDACRF 50F2016
HONDACRF 50F2017
HONDACRF 50F2018
HONDACRF 50F2019
HONDACRF 50F2020
HONDACRF 50F2021
HONDACRF 50F2022
HONDACRF 50F2023
HONDACRF 50F2024
HONDACRF 50F2025
HONDAXR 50R2000
HONDAXR 50R2001
HONDAXR 50R2002
HONDAXR 50R2003
HONDAZ R 501991
HONDAZ R 501992
HONDAZ R 501993
HONDAZ R 501994
HONDAZ R 501995
HONDAZ R 501996
HONDAZ R 501997
HONDAZ R 501998
HONDAZ R 501999
General Product Group
Cam & Valvetrain
General Product Type
Valve - Exhaust
Variant Id
263973
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

ProX Steel Exhaust Valve

This ProX Steel Exhaust Valve is manufactured from premium steel and serves as a direct, cost-efficient replacement for OEM valves. It is produced by leading OEM factories in Japan, ensuring it meets original equipment specifications and tolerances.

Key Features:

  • Material: Premium Steel
  • Construction: One-piece forged construction for extra strength.
  • Coating: Features a special German impregnation process for enhanced durability.
  • Tulip Angle: 23 degrees
  • Overall Length: 2.725 inches
  • Size: 16.00 x 68.60 x 5.00 mm
  • Type: Standard

ProX Racing offers a comprehensive range of engine valves, including steel and titanium options, as well as titanium-to-steel conversion kits. Their high-quality titanium valves are manufactured using a high-tech Ti3al alloy and feature a CrN coating for extreme surface hardness and reduced friction. ProX titanium valves often exceed Original Equipment specifications in dimensions and reliability.

Before you buy

QUESTIONS? JUST ASK

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

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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