-9%
Eibach 3.5in to 3.75in Spring Adapter-Eibach-EIBADAPTER350-375
Click to zoom in

Eibach 3.5in to 3.75in Spring Adapter

Eibach
EIBADAPTER350-375
803050470720
Coilover Components
20+ Units In Stock - Ships Next Business Day
$ 22.22 $ 20.00
$ 20.00

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
Read More
Read Less

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
Coilover Components

Coilover Components

Welcome to our exclusive collection of Coilover Components, designed for automotive enthusiasts who demand performance and precision. Our carefully curated selection features top-of-the-line coilover parts that enhance your vehicle's suspension system, allowing for superior handling and ride quality. Whether you are upgrading your current setup or building a custom suspension from scratch, our collection has everything you need. Why Choose Our Coilover Components? High-Quality Materials: Our components are made from durable materials that withstand the rigors of high-performance driving. Enhanced Performance: With our coilover parts, experience improved stability, reduced body roll, and adjustable ride height for a personalized driving experience. Easy Installation: Designed for compatibility, our coilover components ensure a seamless installation process, saving you time and effort.   Customized Solutions for Every Driver No matter your vehicle type or driving style, our colle...

View Coilover Components Products
Coilovers & Components

Coilovers & Components

Shop Coilover Kits, Springs & Suspension Components Browse premium coilovers and suspension components at Black Ops Auto Works, including coilover kits, coilover shocks, coilover springs, lowering springs, shock hardware, suspension boots, dampening adjustment components, and performance suspension systems for trucks, SUVs, muscle cars, off-road builds, and street performance vehicles. Whether you are upgrading handling for the street, dialing in suspension for the track, or improving ride control on a lifted or lowered build, this collection is built for customers searching for coilovers, coilover kits, coilover components, and performance suspension upgrades. Shop Top Coilover & Suspension Brands Find trusted suspension brands in this category, including: Silver’s NEOMAX FOX QA1 Eibach ICON Vehicle Dynamics Bilstein KW Suspension Ohlins Ridetech Fabtech ARB / OME   These brands are known for adjustable coilovers, performance shocks, lift and lowering suspension systems, ...

View Coilovers & Components Products
Eibach

Eibach

Shop premium Eibach suspension parts at Black Ops Auto Works, your trusted source for Eibach lowering springs, Pro-Kit springs, Sportline springs, Pro-Truck lift kits, anti-roll kits, sway bars, wheel spacers, shocks, coilovers, and suspension accessories. Eibach is known worldwide for race-proven suspension engineering, delivering improved handling, stability, stance, ride control, and comfort for cars, trucks, SUVs, and off-road builds. Whether you are upgrading a daily driver, muscle car, performance car, truck, SUV, or off-road build, Eibach suspension components are engineered to improve cornering, body control, ride height, and overall driving confidence. Shop Eibach Lowering Springs, Lift Kits & Sway Bars At Black Ops Auto Works, we carry a wide selection of Eibach suspension upgrades for both street and off-road applications. Popular Eibach Product Categories: Eibach Lowering Springs – Pro-Kit and Sportline springs for improved stance and handling Eibach Pro-Truck Li...

View Eibach Products
Suspension

Suspension

Upgrade your vehicle with premium suspension parts and components from Black Ops Auto Works. This collection includes high-performance coilovers, shocks, struts, lift kits, lowering kits, control arms, air suspension systems, and suspension hardware designed to improve handling, ride quality, and durability for street, off-road, and racing applications. Suspension Parts from Top Performance Brands Shop industry-leading suspension brands trusted by enthusiasts and professionals, including: Bilstein shocks and suspension systems FOX suspension and coilovers ICON Vehicle Dynamics suspension King Shocks performance suspension KW Suspension coilover kits Silver’s NEOMAX coilovers Eibach springs and suspension components H&R lowering springs and coilovers Swift Springs performance springs ARB off-road suspension systems   These brands deliver proven performance for daily driving, performance builds, off-road applications, and motorsports use. Complete Suspension Components & Sys...

View Suspension Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×