Walker Evans Pro R/Turbo R Billet Front Fork w/ Shaft

• Replaces the stock component that is prone to breaking under stress.
• Larger, 3/4 thread size to address failure point on the stock shaft threads
• Larger 5/8ths pin (Valving side) to address failure point with stock 7/16ths pin
• Comes complete with performance valving and SDI High Flow Piston
• High Quality, Low Friction Piston Band
• Machined in the USA
• Fork/Clevis is 7075 Aluminum construction
• Comes ready to install using stock components (Spring cup, bumper)
• Made to Fit Front Walker Evans 2.5 Shocks
• SOLD IN PAIRS

Transform Your Walker Evans Shocks Into a Tunable Performance Suspension System

SDI Valving Kits are engineered for Walker Evans 2.0 and 2.5 shocks found on 2014-2025 Polaris RZR XP 1000 and XP Turbo models. Each kit includes a performance piston, optimized valving components, and a tuning chart with multiple configurations for different riding styles and terrain.

Whether you're chasing comfort on rocky trails, control in the desert, or improved bottoming resistance in aggressive conditions, SDI gives you the components and tuning flexibility to build the suspension your vehicle deserves.

Each kit is enough for a single shock

SDI High Low Speed Adjuster for Walker Evans Shocks

- For Walker Evans 2.5 Shocks
- Game-Changing Seperate High/Low Speed Compression Adjustment
- Address the walloy feeling while cornering, without losing plushness over breaking bumps & square edge bumps. This maximize compliance and traction, without the worry of not being able to soak up big hits.
- "Feel" the adjustments you make through motocross style clickers, making for easy on the fly adjustments
- Made in the U.S.A.
- Installation tools: Click Here

SDI Crossover Rings for 2.0" Shocks

- Sold in pairs
- For use on 2.0 Shocks with Standard Threads
- Gives your RZR a true dual rate setup, utilizing both springs
- Greatly reduces body roll and nose dive
- Single most cost effective suspension upgrade
- Durable  Motocross-inspired ring for easy adjustments
- One piece metal design allows for easy installation and adjustment: Simply remove springs.
- Made in the USA

SDI Crossover Rings for 2.5" Shocks

- Sold in pairs
- For use on 2.5 Shocks with Standard Threads
- Gives your RZR a true dual rate setup, utilizing both springs
- Greatly reduces body roll and nose dive
- Single most cost effective suspension upgrade
- Durable  Motocross-inspired ring for easy adjustments
- One piece metal design allows for easy installation and adjustment: Simply remove springs.
- Made in the USA

SDI Crossover Rings for 2.0" Shocks

- Sold in pairs
- For use on 2.0 Acme Threaded Shocks
- Gives your RZR a true dual rate setup, utilizing both springs
- Greatly reduces body roll and nose dive
- Single most cost effective suspension upgrade
- Durable  Motocross-inspired ring for easy adjustments
- One piece metal design allows for easy installation and adjustment: Simply remove springs.
- Made in the USA

**This part number Supersedes UDCOR20-A**

SDI Aluminum Reservoir Cap for Walker Evans Shocks (Black)

- Motocross inspired extended reservoir cap
- Increases volume, helping keep the shock cooler
- Replaces the prone to leaking rubber filling needle with a standard schrader valve, making it easier to service
- Sold Individually
- Complete with Air Valve and O-Ring

5/8ths Shaft Internal Shock Spacer - .5 in

• The best way to reduce overall eye to eye length
• Available in .5, .75, and 1 in length
• Measures .640 ID x 1.50 OD

5/8ths Shaft Internal Shock Spacer - .75 in

• The best way to reduce overall eye to eye length
• Available in 1/2, 3/4, and 1 in length
• Measures .640 ID x 1.50 OD