SKU: ADAPTER350-375 | UPC: 803050470720
Eibach PRO-UTV Spring Adapter 3.50″ to 3.75″ ID for 2016-2019 Polaris RZR XP Turbo EPS
Upgrade suspension tuning on your Polaris RZR with the Eibach PRO-UTV Spring Adapter, converting 3.50-inch ID springs to fit 3.75-inch ID perches. Designed for 2016-2019 RZR XP 4 Turbo EPS Base and 2016-2018 RZR XP Turbo EPS Base models. Provides secure spring retention for better handling and control on rough terrain.
Key Features
- Exact ID Conversion: Adapts 3.50″ inside diameter springs to 3.75″ perches, enabling custom spring swaps without modification.
- Billet 6061-T6 Aluminum: Lightweight, corrosion-resistant material withstands UTV abuse for reliable long-term use.
- Direct Fit Design: Precision machined for Polaris RZR XP Turbo models, ensuring drop-in installation with no clearance issues.
- Improved Suspension Response: Allows pairing with performance springs for sharper cornering and reduced bottoming out.
- MPN ADAPTER350-375: OEM-quality part from Eibach PRO-UTV line, tested for high-speed desert and trail conditions.
Product Notes
- Measure spring ID and perch diameter prior to installation to confirm compatibility.
- Inspect adapters for damage upon receipt; store in dry conditions.
- Packed in 4″ x 4″ x 1″ box for secure transit.
Installation Notes
- Professional installation recommended.
- Spring compressor required for safe removal and replacement of OEM springs.
- Adapters seat flush on stock towers; torque to manufacturer specs after fitment.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2019 | Polaris | RZR XP 4 Turbo EPS | Base |
| 2016-2018 | Polaris | RZR XP Turbo EPS | Base |
Why Choose Eibach?
- Decades of motorsport suspension leadership with parts on winning race vehicles.
- Every component CNC-machined for consistent tolerances and fit.
- Engineered in Germany for UTV demands, including PRO-UTV specific lineup.
Frequently Asked Questions
- Q: Does this adapter fit 2017 Polaris RZR XP Turbo EPS Base?
A: Yes, compatible with 2016-2018 RZR XP Turbo EPS Base; confirm submodel before purchase. - Q: What material construction does it use?
A: Machined from durable 6061-T6 billet aluminum for strength-to-weight balance and rust resistance. - Q: What warranty coverage applies?
A: Backed by Eibach limited lifetime warranty against manufacturing defects when installed correctly.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Protective 4″ L x 4″ W x 1″ H cardboard box
- Weight: 0.31 lbs





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