Prox Valve And Spring Kit - Steel, Nitrided Valves
Prox Valve And Spring Kit - Steel, Nitrided Valves
Available in stock (7)
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Estimated delivery: Feb 04 - Feb 08
About this product
About this product
Upgrade your engine's performance and durability with the Prox Valve and Spring Kit. Designed as a direct replacement for OEM components, this kit offers enhanced reliability and performance for demanding applications. Experience improved valve train control and extended engine life.
Description
The Prox Valve and Spring Kit replaces your motorcycle's original equipment manufacturer (OEM) valves and valve springs with a high-performance alternative. The steel, nitrided valves offer increased durability and reduced wear, especially under extreme conditions. Stronger valve springs are included to manage the increased weight of the steel valves, ensuring optimal valve control at all RPMs. These springs are manufactured from premium chrome vanadium steel, maximizing performance and durability. This kit allows for installation using the OEM retainers, bases, and valve seals, simplifying the upgrade process and ensuring compatibility.
Features & highlights
- Replaces OEM valves and valve springs for enhanced performance.
- Steel, nitrided valves provide increased durability and reduced wear.
- Stronger valve springs manage the increased weight of steel valves.
- Springs made from premium chrome vanadium steel for higher performance at high RPM.
- Designed for easy installation using OEM retainers, bases, and valve seals.
- Maximizes valve train control and extends engine life.
Technical specifications
- Brand: Prox
- Product Name: Valve and Spring Kit
- Application: Intake
- Material: Steel
- Color/Finish: Steel
- Units: Kit
Important to know
This kit includes a set of steel intake or exhaust valves plus a set of specially designed valve springs. The OEM retainers, bases, and valve seals are required but not included.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
PROX
28.SIS1340-2
Valve and Spring Kit
Intake
Steel
Kit


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

