Prox Steel Valve And Spring Kit
Prox Steel Valve And Spring Kit
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Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Upgrade your engine's performance and durability with the Prox Steel Valve and Spring Kit. This kit is designed to replace your OEM valves and valve springs with high-quality components, ensuring optimal engine function even under extreme conditions.
Description
The Prox Valve and Spring Kit provides a significant upgrade over stock components. Featuring steel, nitrided valves, this kit offers increased durability and reduced wear, especially beneficial under high-stress conditions. The stronger valve springs are engineered to handle the added 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 superior performance and longevity. This kit is designed for straightforward installation, utilizing OEM retainers, bases, and valve seals for a seamless fit. Whether you're rebuilding an engine or seeking enhanced reliability, the Prox Valve and Spring Kit is an excellent choice.
Features & highlights
- Replaces OEM valves and valve springs with enhanced components.
- Steel, nitrided valves provide increased durability and reduced wear.
- Stronger valve springs manage the extra weight of steel valves, preventing valve float.
- Springs crafted from premium chrome vanadium steel for higher performance and durability.
- Designed for easy installation using OEM retainers, bases, and valve seals.
- Optimized for high-RPM performance and reliability.
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.
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.SIS3408-2
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.

