Prox Valve And Spring Kit - Steel, Nitrided Valves
Prox Valve And Spring Kit - Steel, Nitrided Valves
Available in stock (4)
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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 valves and valve springs with high-quality components designed to withstand extreme conditions. Experience increased reliability and improved performance at high RPMs.
Description
The Prox Valve and Spring Kit provides a comprehensive solution for enhancing your engine's valve train. Featuring steel, nitrided valves, this kit offers superior durability and reduced wear, especially under demanding conditions. The stronger valve springs effectively manage the increased weight of the steel valves, ensuring consistent valve control. Crafted from premium chrome vanadium steel, these springs deliver exceptional performance and long-lasting durability at high RPMs. Installation is straightforward, as the kit is designed to be compatible with OEM retainers, bases, and valve seals. This makes it an ideal choice for both enthusiasts and professional mechanics looking to optimize engine performance and reliability. The Prox Valve and Spring Kit offers a significant upgrade over stock components, providing improved valve train stability and longevity.
Features & highlights
- Replaces OEM valves and valve springs for improved performance.
- Steel, nitrided valves offer increased durability and reduced wear.
- Stronger valve springs handle the extra weight of steel valves effectively.
- Premium chrome vanadium steel springs ensure high performance and durability at high RPMs.
- Designed for use with OEM retainers, bases, and valve seals for easy installation.
- 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 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.SIS4338-2
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.

