The Dal Soggio Race kit is a simple and smart solution to improve the standard suspensions performance, making them more reliable and suitable for any conditions.  This kit provides the perfect balance for those who want to customize their motorcycle suspensions without sacrificing performance.

Kit Ray version 2013 – 2015


RAY KIT PISTONS FOR WP 4CS is a kit, researched and created by Dal Soggio Race to enhance the performance of WP 4CS, efficaciously revolutionizing the whole front fork.  Once the modification kit has been installed, both fork legs work to the pressurize the whole system.  This is suited for enduro, motocross, or any other off-road disciplines.

Kit Ray version 2016


The RAY pistons kit for WP 4CS is used by professional riders looking for even more high performance, but it is also perfect for any rider who simply wants to obtain the best feel of the WP 4CS front fork. With only a few adjustments, the results are amazing and ensure that the front forks works naturally, creating less friction and giving you greater comfort and safety when you riding your motorcycle.

How does RAY kit pistons work?

The RAY kit completely modifies the way WP 4CS system works, isolating compression in the lower part and rebound in the upper part of each leg, doubling the shim oil flow.

What does RAY include?

The RAY kit includes:

•2 assembled compression units

•2 pins with rebound calibration

•2 compression clickers to apply on the upper caps

•2 adjusters to increase the springs’ preload

How do I install the RAY kit? 

We at Dal Soggio Race always recommend that you contact suspension tuning experts (refer to our “Retailers” page), who can quickly, properly, and safely install and setup your RAY kit.  Safety should never be underestimated!

Which versions of RAY are available?

Two versions of the kit are available: one for all KTM models and one for Husqvarna models that came stock with WP 4CS front forks from 2013 to 2015, and 2016 models


Kit Exa

Exa kit Pistons is a special kit to modify and enhance the performances of the WP 48. The pistons are manufactured from solid ERGAL 7075 T6 and are then anodized and coated with Teflon to ensure a greater duration.


Kit XP-One for WP Xplor forks from 2017 to 2020

The XP-One is a kit researched by Dal Soggio Race, to upgrade the WP Xplor forks, which are fitted on the new KTM EXC and Husqvarna 2017 , 2018. 2019 and 2020.

How does XP-One kit work? The XP-One kit replaces the base valve and the mid valve (not present on the original fork) to obtain a much more regulated oil flow for the shock absorber.

For optimum function of the upgrade kit, we recommend using Cube oil.


Kit B-One for Beta 2019 – 2020 with Sachs Open cartridge

The B-One is a kit researched by Dal Soggio Race, to upgrade the Sachs Open forks, which are fitted on the Beta 2019 and 2020.

How does B-One kit work? The B-One kit simply changes the shims in the base valve and replace the mid valve system with our one, which includes our CNC machined piston that has got 4 oil passages.

For optimum function of the upgrade kit, we recommend using Cube oil.


Kit RS for Husqvarna and KTM rear shock 2018 – 2020

The RS Kit is a kit researched by Dal Soggio Race, to upgrade the rear shock of Husqvarna and KTM from 2018 to 2020.

How does RS kit work? The RS kit with the piston and shims setting re-calculate the oil flow and this increase the performances of the rear shock. This kit includes our CNC machined piston in ERGAL 7075 T6 with hard anodizing, that has got 4 oil passages.

Available versions:

Diameter 46mm for KTM Enduro 2018 – 2020

Diameter 50mm for Husqvarna Enduro 2018 – 2020


Spring Kit

This is a very simple but functional air fork conversion to traditional forks with springs.  The upgrade only provides the substitution of the pneumatic part.

The spring supplied with the kit is available in various hardnesses, based on a rider’s needs.

  • 8.8 N/m
  • 9.2 N/m
  • 9.6 N/m








  • I want only the best for my customers and Dal Soggio’s products are a guarantee.

  • Trying to be aerodynamic as I could this week. Everyone on the team love that #dalsoggiorace suspension.

  • I got my first test ride in with the Ray kit. All can I say is “amazing”! Hands down the best 4CS set up I’ve ridden.


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