Prox Valve And Spring Kit - Steel Valves
Prox Valve And Spring Kit - Steel 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 replaces your OEM components with stronger, more reliable parts, ensuring optimal valve train function even under extreme conditions. Experience improved engine performance and longevity with this premium upgrade.
Description
The Prox Valve and Spring Kit is engineered to provide superior performance and longevity compared to OEM components. The steel, nitrided valves offer exceptional durability and reduced wear, especially under high-stress conditions. The stronger valve springs are designed to handle the increased weight of the steel valves, preventing valve float and maintaining precise valve control at high RPMs. Manufactured from premium chrome vanadium steel, these springs deliver higher performance and exceptional durability, making this kit a must-have for any serious enthusiast looking to maximize their engine's potential. Installation is straightforward, utilizing the OEM retainers, bases, and valve seals for a seamless upgrade.
Features & highlights
- Replaces OEM valves and valve springs for improved performance.
- Steel, nitrided valves offer increased durability and reduced wear.
- Stronger valve springs handle the extra weight of steel valves, preventing valve float.
- Springs crafted from premium chrome vanadium steel for high-RPM durability.
- Designed for easy installation using OEM retainers, bases, and valve seals.
- Enhances engine performance and extends engine life.
Technical specifications
- Brand: Prox
- Product Name: Valve and Spring Kit
- Application: Intake
- Material: Steel
- Valves: Steel, nitrided
- Spring Material: Chrome Vanadium 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.SIS6351-2
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.

