SDI Stage 1 Spring Kit for the 2018-20 Polaris RZR RS1

Take the guess work out of getting more out of your UTV’s Shocks. SDI’s Spring Kits have been fine tuned and tested to improve your vehicle’s ride.

• For use on Polaris RS1 Vehicles
• Gives your RZR a true dual rate setup, utilizing both springs. 
• Greatly reduces body roll, nose dive (Bucking), and bottoming (G-Out Resistance) 
• Motocross-inspired crossover ring for easy adjustments and installation
• Kit Includes: 4 Tender Springs, 4 Main Springs. 4 Crossovers
• Made in the USA

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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

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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

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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**

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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

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5/8th" Off Road Shock Seal Kit - For Walker Evans Equipped RZR XP 4 900, RZR XP 1000, and RZR XP 4 1000 2.0" Front Shocks w/ 5/8" shafts. Learn More

3/4" Off Road Shock Seal Kit - For Walker Evans Equipped RZR XP 4 900, RZR XP 1000, and 2.5" Rear Shocks w/ 3/4" shafts. Learn More

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

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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

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7/8ths 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 .88 ID x 1.850 OD

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