2Bros Parts

VALVE EXHAUST CRF450R 13-25, PROX 28.1413-1 14721-MEN-A70

£35.88

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UK delivery £4.99, free over £60 2–4 business days

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Hi-Performance Racing Valve Exhaust, STAINLESS STEEL. Head Dia 31mm, Stem Dia 5.00mm, Stem Length 80.5mm. Manufactured of premium grade steel to exact OEM specifications and tolerances. Made by leading OEM factories in Japan and are a direct and cost-efficient OEM replacement. PROX 28.1413-1.

Specifications
SKU
65-5001.PX.SS
Brand
Pro-X Racing
Availability
In Stock (4)

Fitments (53)

MakeModelYear
HONDACRF 450R2002
HONDACRF 450R2003
HONDACRF 450R2004
HONDACRF 450R2005
HONDACRF 450R2006
HONDACRF 450R2007
HONDACRF 450R2008
HONDACRF 450R2009
HONDACRF 450R2010
HONDACRF 450R2011
HONDACRF 450R2012
HONDACRF 450R2013
HONDACRF 450R2014
HONDACRF 450R2015
HONDACRF 450R2016
HONDACRF 450R2017
HONDACRF 450R2018
HONDACRF 450R2019
HONDACRF 450R2020
HONDACRF 450R2021
HONDACRF 450R2022
HONDACRF 450R2023
HONDACRF 450R2024
HONDACRF 450R2025
HONDACRF 450RX2017
HONDACRF 450RX2018
HONDACRF 450RX2019
HONDACRF 450RX2020
HONDACRF 450RX2021
HONDACRF 450RX2022
HONDACRF 450RX2023
HONDACRF 450RX2024
HONDACRF 450RX2025
HONDACRF 450X2019
HONDACRF 450X2020
HONDACRF 450X2021
HONDACRF 450X2022
HONDACRF 450X2023
HONDACRF 450X2024
HONDACRF 450X2025
HONDACRF L 4502019
HONDACRF L 4502020
HONDACRF L 4502021
HONDACRF L 4502022
HONDACRF L 4502023
HONDACRF L 4502024
HONDACRF L 4502025
HONDACRF RL 4502019
HONDACRF RL 4502020
HONDACRF RL 4502021
HONDACRF RWE 4502017
HONDACRF RWE 4502018
HONDACRF RWE 4502019
General Product Group
Cam & Valvetrain
General Product Type
Valve - Exhaust
Variant Id
264038
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

ProX Stainless Steel High-Performance Racing Exhaust Valve

Upgrade your engine's performance with this ProX Stainless Steel High-Performance Racing Exhaust Valve. Engineered for durability and superior function, this valve is a direct replacement designed to meet or exceed Original Equipment (OE) specifications.

Key Features:

  • Material: Premium grade stainless steel for high-temperature resistance and longevity.
  • Construction: Manufactured to exact OEM specifications and tolerances for a precise fit.
  • Performance: Designed for high-performance racing applications.
  • Dimensions:
    • Head Diameter: 31mm
    • Stem Diameter: 5.00mm
    • Stem Length: 80.5mm
  • Origin: Made by leading OEM factories in Japan, ensuring top-tier quality.
  • Cost-Effective: A direct and economical replacement for your OE valve.
Before you buy

QUESTIONS? JUST ASK

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

Call us0330 133 3748
Email us[email protected]

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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