XS 4000 Series

Additional Information

DBA's 4000 Series XS rotors feature our best technology & materials for maximum performance. High carbon & heat treated iron, patented Kangaroo Paw ventilation and a unique drill & slot pattern makes the perfect direct replacement rotor.

Part Type

Disc Brake Rotor

Product Overview

Cast from XG-150 high carbon alloyed iron and undergoing Thermal Stability Profiling. DBA's metallurgy is able to handle the increased stress and heat generated under intense braking application time and time again. Featuring DBA;s patented Kangaroo Paw ventilation that implements a series of 144 diamond and teardrop patterned pillars. DBA achieves up to a 30% increase in surface are and 20% improvement in cooling efficiency compared to traditional straight vane design.

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions
2.	Logo Image

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Disc Brake Rotor, Cross-Drilled, Slotted, 4000 XS Series, Uni-Directional, Subaru, Rear, Each

If you've stepped beyond the ability of your stock brakes, then DBA HD Series 4000XS brake rotors are perfect for you. These rotors contain many of the features that make DBA brake rotors so great. Their patented Kangaroo Paw ventilation, XG150 iron alloy, and TSP process work together to allow these rotors to handle high-heat situations. Their non-directional, XS cross-drilled, slot design eliminates the need for different left and right discs and provides a consistent, strong brake feel. To top off these awesome rotors, DBA applies a protective paint to all non-friction surfaces and adds heat marks so you can monitor your peak brake heat. Have more confidence in your brakes with these DBA HD Series 4000XS brake rotors, available to fit a variety of specific applications.