EXA WP 48 mm Midvalve Upgrade Kit 2005-2014 Dal Soggio
Dal Soggio EXA internal suspension upgrade kit for compatible WP 48 mm Open Chamber front forks from 2005 to 2014, featuring dedicated compression and rebound pistons, revised valving, and ERGAL 7075 T6 construction.
$219.99
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Product Description
The Dal Soggio 1P.KIT_EXA EXA Kit is an internal performance upgrade developed for compatible WP 48 mm Open Chamber front forks from the 2005-2014 generation.
The EXA concept was created as a relatively simple way to improve the hydraulic behavior of the original WP fork without replacing the complete internal cartridge or the full suspension assembly.
According to Dal Soggio, the kit uses dedicated compression and rebound pistons together with revised valving, allowing the damping system to manage hydraulic flow more effectively than the standard configuration.
The pistons are manufactured from solid ERGAL 7075 T6, providing a high strength-to-weight ratio suited to demanding suspension applications.
Dal Soggio also specifies that the pistons are anodized and coated with Teflon, treatments intended to increase surface durability and support low-friction operation inside the fork.
The EXA Kit is therefore designed as a targeted hydraulic upgrade for riders and suspension technicians who want to improve the behavior of the original WP 48 Open Chamber platform while retaining the OEM fork architecture.
Key Features
- Developed for compatible WP 48 mm Open Chamber front forks from the 2005-2014 generation
- Includes dedicated compression and rebound pistons together with revised valving
- Pistons manufactured from solid ERGAL 7075 T6
- Anodized and Teflon-coated piston surfaces for improved durability and low-friction operation
- Designed to improve hydraulic damping performance without replacing the complete fork assembly
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Dal Soggio Race |
| Part Number / SKU | 1P.KIT_EXA |
| Product Family | EXA Kit |
| Product Type | Front Fork Piston / Hydraulic Upgrade Kit |
| Fork Platform | WP 48 mm Open Chamber |
| Compatibility Period | 2005-2014 |
| Suspension Position | Front |
| Compression Piston | Included |
| Rebound Piston | Included |
| Valving | Dedicated EXA valving |
| Piston Material | ERGAL 7075 T6 |
| Surface Treatment | Anodized |
| Additional Coating | Teflon |
| Installation Type | Internal retrofit |
| Professional Installation | Recommended |
Application & Compatibility
The 1P.KIT_EXA is intended for compatible WP 48 mm Open Chamber front forks in the 2005-2014 generation.
Compatibility is determined by the actual fork architecture and internal configuration rather than motorcycle brand or displacement alone.
Because WP 48 forks were used in different configurations across multiple motorcycles and model years, the fork type should always be confirmed before ordering or installation.
How the EXA Kit Works
The EXA Kit upgrades the damping system by replacing key hydraulic control elements with dedicated Dal Soggio components.
The system uses:
- a dedicated compression piston;
- a dedicated rebound piston;
- revised internal valving.
These elements work together to change how oil moves through the fork during compression and rebound.
The aim is to provide a more controlled hydraulic response while retaining the original WP Open Chamber fork structure.
Compression and Rebound Upgrade
Unlike a basic shim-only modification, the EXA system introduces dedicated pistons for both principal damping functions.
The compression piston manages hydraulic resistance as the fork compresses, while the rebound piston controls oil flow as the fork returns after compression.
Combined with the supplied valving, this gives the suspension technician a more purpose-developed hydraulic package for improving the original WP 48 Open Chamber system.
Materials and Construction
Dal Soggio manufactures the EXA pistons from solid ERGAL 7075 T6.
The pistons are then:
- anodized;
- coated with Teflon.
These treatments are intended to improve surface durability and support smooth movement within the hydraulic system.
Suspension Behavior
The EXA Kit is designed to improve the overall performance of the WP Open Chamber fork by providing more effective damping control.
The intended improvements include:
- more controlled compression behavior;
- more consistent rebound response;
- improved hydraulic precision;
- smoother fork operation;
- improved rider feedback compared with the standard configuration.
Installation Note
Installation requires disassembly and servicing of the compatible WP 48 Open Chamber fork, replacement of the relevant hydraulic pistons, installation of the EXA valving, correct oil filling, and accurate bleeding and setup.
Dal Soggio recommends professional suspension service for upgrade-kit installation, particularly because final damping behavior depends on correct assembly and calibration.