Does it fit your motorcycle?
Look it up by licence plate or VIN, or choose your model.
Confirmed compatible · Position:
This part doesn't fit your bike. See parts that fit
Fits most motorcycles
Not model-specific. Check dimensions and specifications in the description before ordering.
Chosen by size, not by model
The size is printed on the tyre sidewall, e.g. 120/70 ZR17, and in your registration document.
Checking fitment…
Fitment check unavailable
ProX Intake Valve and Spring Kit - Steel - 28.SIS2444-2
Product info
- Item number
- 09262729
- Manufacturer number
- 28.SIS2444-2
- Position
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.
- Brand
- PROX
- Vendor part number
- 28.SIS2444-2
- Color finish
- Steel
- Product name
- Valve and Spring Kit
- Application
- Intake
- Material
- Steel
- Units
- Kit
Free shipping to a GLS parcel shop or parcel box on orders over €200.
We ship your order as quickly as we can. Orders are usually packed within 24 hours on weekdays.
You have a 14-day right of return. Read more
4.8 out of 5 on TrustpilotRead our reviews →
Certified e-mærket web shop
