2018-2021 Polaris RZR Turbo S Duner Front A-Arms | HCR Racing

2018-2021 Polaris RZR Turbo S and 2019-2021 Turbo S 4 front suspension gets a lighter, reinforced upgrade with HCR Duner A-arms. The four-arm package uses American-made HCR Elite alloy, heat-treated 4130 billet mounting points, an internal angled catacomb structure and factory mounting locations. Variants are available with Keller ball joints or without joints.

Key Features

• Four high-clearance boxed front A-arms
• American-made HCR Elite alloy construction
• HCR states 30% greater tensile and yield strength than 4130 chromoly
• Heat-treated 4130 billet mounting points
• Internal angled catacomb design
• Fiber-laser-cut and hand TIG-welded assembly
• Bolt-on factory mounting points
• Compatible with factory wheels
• Keller ball-joint or no-joint variants

Built To Solve: RZR Turbo S Duner Front Clearance And Durability

• Limited clearance beneath factory A-arms
• Need for a lighter reinforced front-arm package
• Ball-joint selection that must match the chosen variant

Best For: 2018-2021 RZR Turbo S Duner Builds

• Two-seat Turbo S models from 2018-2021
• Turbo S 4 models from 2019-2021
• Dune and desert riders prioritizing high-clearance front arms

Specifications

• Configuration: Four front A-arms
• Material: HCR Elite alloy
• Mounting points: Heat-treated 4130 billet
• Construction: Fiber laser cut and hand TIG welded
• Installation: Bolt-on at factory mounting points
• Wheel compatibility: Factory wheels
• Ball-joint options: Keller ball joints or none included
• Hardware: Included
• Origin: Made in the USA
• Production: Made to order

Fitment

• 2018-2021 Polaris RZR Turbo S
• 2019-2021 Polaris RZR Turbo S 4

Confirm model year and ball-joint selection before ordering. Fitment is not guaranteed on unlisted applications.

FAQ

What is included with the Duner A-arms?

The kit includes four front A-arms and installation hardware.

Are ball joints included?

Only Keller-equipped variants include ball joints; the other variants are listed with none included.

Do the arms fit factory mounting points?

Yes. HCR describes the kit as a bolt-on replacement using factory locations.

Will factory wheels fit?

Yes. HCR states that the arms are compatible with factory wheels.

Which model years are listed?

HCR lists 2018-2021 Turbo S and 2019-2021 Turbo S 4 models.

What is the main difference from the Dual Sport arms?

The Duner version is HCR’s lighter performance-oriented arm package, while the Dual Sport version is described as similar in weight to stock.

Why HCR Racing

HCR Racing produces this Turbo S Duner package in the USA using its proprietary Elite alloy and vehicle-specific factory geometry.

Finish Your RZR Turbo S Duner Front End

Verify year and seat count, choose the Keller or no-joint configuration and coordinate the finish with compatible HCR Duner trailing arms.