Prox Valve And Spring Kit Steel
Prox Valve And Spring Kit Steel
Available in stock (6)
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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 provides enhanced reliability and power, especially under demanding conditions. Experience the difference that high-quality materials and precision engineering can make.
Description
The Prox Valve and Spring Kit is engineered to replace your motorcycle's original equipment valves and valve springs with superior components. The steel, nitrided valves offer increased durability and reduced wear, ensuring long-lasting performance even under extreme conditions. Stronger valve springs are specifically designed to handle the added weight of the steel valves, preventing valve float and maintaining consistent valve control at high RPMs. Manufactured from premium chrome vanadium steel, these springs deliver exceptional performance and durability. This kit includes a set of steel intake or exhaust valves along with matched valve springs, all designed for seamless installation with your OEM retainers, bases, and valve seals. Upgrade your engine with confidence and unleash its full potential with the Prox Valve and Spring Kit. Experience improved reliability, increased power, and enhanced overall performance.
Features & highlights
- Replaces OEM valves and valve springs for enhanced performance.
- Steel, nitrided valves provide increased durability and reduced wear.
- Stronger valve springs handle the extra weight of steel valves, preventing valve float.
- Springs are made from premium chrome vanadium steel for high-RPM performance and durability.
- Designed for easy installation using OEM retainers, bases, and valve seals.
- Improves engine reliability and power output.
Technical specifications
- Brand: Prox
- Product Name: Valve and Spring Kit
- Application: Intake
- Material: Steel
- Color/Finish: Steel
- Units: Kit
Important to know
This kit is designed to be installed using the OEM retainers, bases, and valve seals, which are not included. Ensure compatibility with your specific motorcycle 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.SIS4406-2
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.

