Polaris RZR PRO XP Upper Radius Bar Black | APEXX Spherical

Polaris RZR PRO XP Upper Radius Bar

Upgrade your rear suspension with the Polaris RZR PRO XP upper radius bar from High Lifter’s APEXX Suspension Line. Designed for riders who need stronger suspension support, improved stability, and long-lasting durability, this black upper radius bar is built to replace weaker factory components with a heavy-duty, adjustable upgrade made for aggressive off-road use.

Heavy-Duty APEXX Suspension Strength

This APEXX upper radius bar for Polaris RZR PRO XP is crafted from extreme-duty 1.5″ x .188″ DOM steel, making it up to 50% larger than many stock radius bars. High Lifter also increased wall thickness by over 70% on the upper radius bar, giving your RZR PRO XP stronger rear suspension support for trails, mud, rocks, ruts, and high-impact terrain.

Key Features

• Extreme-duty DOM steel construction: Built from 1.5″ x .188″ DOM steel for serious off-road strength.
• Over 70% increased wall thickness: Adds durability to the upper radius bar for demanding riding conditions.
• Spherical bearings installed: Includes 7/8″ Teflon-lined spherical bearings for rugged suspension performance.
• 7/8″ replaceable heim joints: Allows camber and toe adjustability without sacrificing strength.
• Larger spherical bearing housings: Designed to handle high-stress rear suspension movement.
• Polyurethane bushings: Firmer than rubber to help reduce excess movement and improve suspension response.
• Simple bolt-on kit: Designed for straightforward installation with step-by-step multi-image instructions.
• Black powder-coated finish: Adds a clean look while helping protect against harsh off-road conditions.

Technical Specifications

• Product Type: Upper radius bar / upper radius rod
• Product Line: High Lifter APEXX Suspension Line
• Vehicle Fitment: Polaris RZR PRO XP and RZR PRO XP 4
• Color: Black
• Material: 1.5″ x .188″ DOM steel
• Heim Joints: Replaceable 7/8″ heim joints
• Bearings: 7/8″ Teflon-lined spherical bearings installed
• Bushings: Polyurethane
• Adjustment: Camber and toe adjustability
• Finish: Powder coated
• Installation Type: Bolt-on
• Warranty: Limited Lifetime Warranty, excluding wearable items such as bearings, cones, and heim joints

Compatibility / Applications

This Polaris RZR PRO XP upper radius bar fits select 2020–2026 Polaris RZR PRO XP and RZR PRO XP 4 models, including Sport, Premium, Ultimate, Ride Command, and Rockford Fosgate LE trims. It is ideal for riders replacing factory radius bars or upgrading their rear suspension for stronger alignment control, better stability, and more reliable off-road performance.

Why Choose This Polaris RZR PRO XP Upper Radius Bar?

Factory radius bars may not provide the strength, adjustability, or durability needed for serious UTV riding. This High Lifter APEXX upper radius bar improves rear suspension performance with DOM steel construction, spherical bearings installed, massive 7/8″ heim joints, and firmer polyurethane bushings. The result is a professional-grade suspension upgrade built to reduce unwanted movement, improve rear-end stability, and keep your RZR PRO XP ready for demanding terrain.

Installation Note: Always check bearing and brake wear before installation. Replace worn parts before installing this upper radius bar to help ensure proper suspension performance.

Cross-reference part/SKU numbers: 79-12304, HDRB-RZRPRO-1-SBI-B1