Prox Valve And Spring Kit - Steel Intake Valves
Prox Valve And Spring Kit - Steel Intake Valves
Available in stock (11)
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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 high-quality, high-performance alternatives, ensuring optimal engine function under demanding conditions. Experience enhanced reliability and longevity with this comprehensive upgrade.
Description
The Prox Valve and Spring Kit is engineered to provide superior performance and extended lifespan compared to OEM components. The steel, nitrided valves offer increased durability and reduced wear, especially under extreme conditions. Stronger valve springs are designed to handle the added weight of the steel valves, preventing valve float and ensuring consistent valve closure at high RPMs. Manufactured from premium chrome vanadium steel, these springs deliver higher performance and exceptional durability. Easy to install using your existing OEM retainers, bases, and valve seals, this kit offers a seamless upgrade for enthusiasts and professionals alike. This kit is specifically for the intake valves.
Features & highlights
- Replaces OEM valves and valve springs for enhanced performance.
- Steel, nitrided valves provide increased durability and reduced wear.
- Stronger valve springs manage the weight of steel valves, preventing valve float.
- Springs crafted from premium chrome vanadium steel for higher performance.
- Designed for easy installation with OEM retainers, bases, and valve seals.
- Specifically designed for intake valves.
Technical specifications
- Brand: Prox
- Product Name: Valve and Spring Kit
- Application: Intake
- Material: Steel
- Color/Finish: Steel
- Units: Kit
Important to know
This kit includes steel intake valves and specially designed valve springs. It 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.SIS1403-2
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.

