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 is engineered to replace your OEM valves and valve springs, providing enhanced reliability and power, especially under demanding conditions.
Description
The Prox Valve and Spring Kit features steel, nitrided valves for superior durability and reduced wear. These robust valves are designed to withstand extreme conditions, ensuring long-lasting performance. The kit also includes stronger valve springs crafted from premium chrome vanadium steel, perfectly matched to handle the extra weight of the steel valves. This combination maximizes performance and durability at high RPMs, providing improved engine response and reliability. The kit is designed for straightforward installation using the OEM retainers, bases, and valve seals, simplifying the upgrade process.
Features & highlights
- Replaces OEM valves and valve springs for enhanced performance.
- Steel, nitrided valves offer increased durability and reduced wear.
- Stronger valve springs manage the weight of steel valves effectively.
- Premium chrome vanadium steel springs provide superior performance at high RPMs.
- Designed for easy installation with OEM retainers, bases, and valve seals.
- Maximizes engine response and reliability under extreme conditions.
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.SIS3405-2
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.

