Stinger SPD511 PRO 4 Gauge T-Style Solid Brass Power Distribution Block with Shoc-Krome Finish and Acrylic Cover The SPD511 from Stinger is a PRO series 4 gauge T-style power distribution block constructed from solid brass with a Shoc-Krome finish. Designed for car audio amplifier power distribution and a wide range of automotive and 4WD accessory applications, it uses grub screw allen key fittings to lock 4AWG cable securely at each port and includes a clear acrylic cover and silver-backed acrylic mounting base. A lifetime warranty against manufacturer defects is included. Product overview Stacking multiple ring terminals on a single post is a common but unreliable approach to power distribution in vehicle installations. The SPD511 replaces this with a solid brass T-style distribution block that locks each cable individually via grub screw allen key fittings, providing a secure and reliable connection at each port that remains stable under vibration. The solid brass core with Shoc-Krome plating delivers superior power transfer and corrosion resistance suited to demanding car audio and accessory applications. The T-style form factor provides a compact, structured layout for the input and output connections. The SPD511 is designed for 4AWG cable with an 8mm diameter and covers car audio amplifier installations as well as air suspension, air compressor, 4WD accessory, and battery power management applications. The clear acrylic cover protects the terminal connections while the silver-backed acrylic mounting base provides a secure installation platform. Features and benefits Solid brass core with Shoc-Krome finish: The solid brass construction provides excellent power handling and conductivity, with Shoc-Krome plating delivering corrosion resistance and superior contact quality at each connection point. T-style distribution block design: The T-style form factor provides a compact, structured layout for the input and output connections, minimising installation space while maintaining clean cable routing. Grub screw allen key fittings: Individual grub screw fittings lock each 4AWG cable securely in place, eliminating the unreliable stacked ring terminal approach and providing a vibration-resistant connection at every port. Suits 4AWG cable (8mm diameter): All ports are designed for 4AWG cable with an 8mm diameter, suited to car audio and accessory installations operating within the current capacity of 4 gauge wiring. Clear acrylic cover and silver-backed mounting base: The clear acrylic cover protects the terminal connections and provides a finished appearance. The silver-backed acrylic mounting base provides a secure installation platform. Suitable as positive or negative distribution: The SPD511 can be used for either positive or negative power distribution, providing flexibility in installation layout and configuration. Lifetime warranty against manufacturer defects: The SPD511 is covered by Stinger's lifetime performance warranty against manufacturer defects. What's in the box 1x SPD511 4AWG T-Style Distribution Block 1x Clear Acrylic Cover 1x Silver-Backed Acrylic Mounting Base Technical specs Specification Detail SKU SPD511 Brand Stinger Construction Solid brass core Finish Shoc-Krome Compatible Cable Size 4AWG (8mm diameter) Block Style T-style Fitting Type Grub screw allen key Includes Clear acrylic cover, silver-backed acrylic mounting base Polarity Suitable for positive or negative distribution Warranty Lifetime against manufacturer defects Frequently asked questions What is a T-style distribution block?A T-style distribution block arranges the input and output ports in a T-shaped configuration, providing a compact and structured layout for the cable connections. This design minimises installation space while keeping the cable routing clean and organised. What is the difference between the SPD511 and the SPD510?Both are PRO series T-style Shoc-Krome distribution blocks with grub screw fittings, a clear acrylic cover, and a lifetime warranty. The SPD510 is designed for 8AWG cable with a 5mm diameter, suited to lower-powered installations. The SPD511 is designed for 4AWG cable with an 8mm diameter, suited to higher-powered installations. Select the gauge that matches the cable used in your specific installation. What cable gauge does the SPD511 accept?The SPD511 is designed for 4AWG cable with an 8mm diameter across all ports. If your installation requires a different gauge, other distribution blocks in the Stinger range accommodate alternative cable sizes. Contact us for guidance on selecting the correct block for your specific installation. What applications is the SPD511 suited to beyond car audio?The SPD511 is suited to air suspension systems, air compressor systems, 4WD accessories including winches, fridges, lights, and compressors, and battery power management applications. Contact us if you need guidance on suitability for a specific application. Does the SPD511 include a warranty?Yes. The SPD511 is covered by Stinger's lifetime performance warranty against manufacturer defects. Contact us for further details on warranty claims and conditions.
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