Prox Valve And Spring Kit - Steel Intake Valves
Prox Valve And Spring Kit - Steel Intake Valves
Hurry up, only 3 items left in stock.
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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 provides a reliable and high-performance solution for replacing your OEM valves and valve springs, ensuring optimal engine operation under demanding conditions.
Description
The Prox Valve and Spring Kit features steel, nitrided valves, offering superior durability and reduced wear, especially in high-stress environments. The stronger valve springs are engineered to handle the increased weight of the steel valves, maintaining precise valve control and preventing valve float at high RPMs. Manufactured from premium chrome vanadium steel, these springs deliver exceptional performance and long-lasting reliability. Easy to install using the OEM retainers, bases, and valve seals, this kit enhances your engine's overall efficiency and power output. Equip your ride with Prox for performance you can trust.
Features & highlights
- Replaces OEM valves and valve springs for a complete upgrade.
- Steel, nitrided valves provide increased durability and reduced wear.
- Stronger valve springs manage the extra weight of steel valves effectively.
- Premium chrome vanadium steel springs ensure high performance and durability at high RPM.
- Designed for easy installation using OEM components.
- Optimizes engine 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 in the kit.
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.SIS2444-2
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.

