Prox Valve And Spring Kit - Steel Intake Valves
Prox Valve And Spring Kit - Steel Intake Valves
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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. This kit provides a robust solution for replacing your OEM valves and valve springs, ensuring optimal engine function even under extreme conditions. Experience enhanced reliability and improved performance at high RPMs.
Description
The Prox Valve and Spring Kit is engineered to provide superior performance and longevity compared to OEM components. The steel, nitrided valves offer increased durability and reduced wear, making them ideal for demanding riding conditions. Stronger valve springs are designed to handle the additional weight of the steel valves, preventing valve float and ensuring precise valve control at high engine speeds. Manufactured from premium chrome vanadium steel, these springs deliver exceptional performance and withstand the rigors of high-RPM operation. This kit is designed for easy installation, utilizing OEM retainers, bases, and valve seals.
Features & highlights
- Replaces OEM valves and valve springs for a complete upgrade.
- Steel, nitrided valves provide increased durability and reduced wear.
- Stronger valve springs manage the weight of steel valves, improving high-RPM performance.
- Premium chrome vanadium steel springs offer exceptional durability and performance.
- Designed for easy installation using OEM retainers, bases, and valve seals.
- Optimized for intake applications.
Technical specifications
- Brand: Prox
- Product Name: Valve and Spring Kit
- Vendor Part Number: 28.SIS6353-2
- Material: Steel
- Application: Intake
- Color/Finish: Steel
- Units: Kit
Important to know
This kit requires the use of OEM retainers, bases, and valve seals, which are not included. Ensure compatibility with your specific engine model before installation.
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.SIS6353-2
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.

