Wilwood Black Six-Piston Rear Brake Conversion, Drilled Dynamic Rotors for Polaris RZR Turbo S Applications (2018–2022)

Drilled 11.25-inch rear rotors pair with black UTV6 calipers for listed Polaris RZR Turbo S models. Verify S/S4 coverage and the banjo-hose connection. This UTV conversion combines fixed multi-piston calipers with dynamically mounted solid steel rotors, retaining the specified original hubs. From its base in Camarillo, California, Wilwood Engineering designs and manufactures disc brake systems and components. Bill Wood founded the company in 1977. Its calipers, brake rotors, valves, master cylinders, brake lines and fittings serve street-performance, motorsport and specialized applications. Select each component according to the requirements of the complete braking system.

Technical Details

• Rotor dimensions, construction and face: 11.25 × 0.25 inches; Steel; solid; Drilled
• Nominal wheel diameter reference: 15 in; verify the complete clearance drawing
• Hydraulic caliper specification: 6-piston UTV6; Black Powder Coat
• Supplied service-pad compound: BP-10
• Mounting and piston details: Lug; piston material: stainless steel
• Hydraulic inlet: M10 x 1.25
• Hose provision: Not included
• Hardware supplied: mounting hardware
• Components to provide separately: spindles, wheel hubs, master cylinder, brake booster
• Manufacturer part number: 140-16631-D
• Kit function: Rear Brake Kits - Utility Vehicle; rear position
• Quantity: Sold as a kit.

Fitment & Compatibility

Match the individual Polaris RZR Turbo S and S4 year and trim applications in the table below. The six-piston rear UTV6 calipers work with dynamically mounted solid steel rotors and existing hubs. Use DS-1498 for the assembly method and compare the actual hub and upright to the specified arrangement. Replace the stock banjo bolts with the supplied M10 × 1.25 hardware. Check wheel profile, pad alignment and hose travel at full suspension movement before testing the system.

Wilwood product specifications · Installation instructions

PMB Performance has more than 20 years of parts and fitment experience. Provide the model, year, installed spindle or hub, existing brake package and wheel measurements so we can help check the complete conversion.

Manufacturer warning — brake pads only: WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov.