2018-2021 Polaris RZR RS1 Dual Sport Front A-Arms | HCR Racing

2018-2021 Polaris RZR RS1 front suspension gains 1.25 inches of ground clearance and 1.75 inches of wheelbase with HCR Dual Sport A-arms. The boxed, laser-cut arm set uses CNC-machined chromoly mounting points, hand TIG welding and heat-treated billet ball-joint ends. Buyers can choose arms alone or Keller ball joints.

Key Features

• Four high-clearance boxed front A-arms
• Adds 1.25 inches of ground clearance
• Adds 1.75 inches of wheelbase
• Laser-cut construction
• CNC-machined chromoly mounting points
• Hand TIG-welded assembly
• Reuses OEM ball joints when selected without Keller joints
• Bolt-on factory mounting-point installation
• Made in the USA according to HCR

Built To Solve: Polaris RZR RS1 Front Clearance And Wheelbase

• Adds clearance beneath the front control arms
• Extends wheelbase for the listed geometry change
• Replaces factory front arms with a boxed HCR system

Best For: 2018-2021 Polaris RZR RS1 Dual Sport Builds

• RS1 owners seeking front suspension clearance
• Builds that benefit from the added wheelbase
• Owners choosing between reused OEM or included Keller ball joints

Specifications

• Construction: Boxed and laser cut
• Ground-clearance increase: 1.25 inches
• Wheelbase increase: 1.75 inches
• Front tube mount diameter: 1.25 inches
• Bushings: Delrin; factory crush sleeves reused
• Installation: Bolt on
• Kit contents: Four front A-arms, hardware and install guide

Fitment

Fits the 2018-2021 Polaris RZR RS1 application identified by HCR. Confirm ball-joint selection and model year before ordering. Fitment is not guaranteed on unlisted RZR models.

FAQ

How much ground clearance do the RS1 A-arms add?

HCR states that the design adds 1.25 inches of ground clearance.

How much wheelbase is added?

HCR lists a 1.75-inch wheelbase increase.

Are ball joints included?

Variant choices are available with Keller ball joints or with no ball joints included.

Can I reuse the OEM ball joints?

HCR states that the arm design supports reuse of OEM ball joints when the no-joint variant is selected.

What comes in the kit?

The kit contains four front A-arms, hardware and an installation guide.

Does installation require welding?

No. HCR describes the kit as a bolt-on installation using factory mounting points.

Why HCR Racing

HCR builds the RS1 arm package with boxed construction, billet joint ends and application-specific geometry rather than a universal control-arm design.

Complete Your Polaris RZR RS1 Front Suspension

Confirm the 2018-2021 RS1 application and select either the arms-only configuration or the matching Keller ball-joint package.