GMC Sierra 3500 HD Suspension Air Helper Spring Kit - Rear - Firestone - Ride-Rite All-In-One Kit, Wireless - 2011-2025. A complete rear helper spring and onboard compressor package designed to level loads, reduce rear squat and help return your truck to its intended ride height when hauling or towing.

This Firestone Ride-Rite All-In-One wireless kit includes air helper springs, all necessary mounting hardware, a standard-duty compressor, ECU and a no-drill mounting plate for faster installation. App-controlled via Bluetooth for Android and iPhone, the system supports multiple device pairing, provides live feedback, and stores two memory presets so you can quickly restore preferred pressure settings. The kit maintains a 5 PSI minimum while idle and is rated to 100 PSI. Compressor performance: 13 AMP max draw, 9% duty cycle, 0.32 CFM at 100 PSI, and approximately 17 seconds to fill from 0–30 PSI.

Features

• Fitment: 2011-2025 GMC Sierra 3500 HD (rear)
• No-drill mounting plate for compressor and ECU
• Wireless app control with Bluetooth pairing and two memory presets
• 5 PSI minimum / 100 PSI maximum pressure rating
• Compressor specs: 13A max, 9% duty cycle, 0.32 CFM @100 PSI, 17s 0–30 PSI
• Up to 5,000 lb load-leveling capacity
• Typical installation time: 1–2 hours with provided manual

If you have questions or want help confirming fitment, call us directly — we’re happy to walk through the kit and installation options. We offer installation and customization services at two locations: Austin, Texas and the Los Angeles, California area. Call Austin: 512-982-9393 (TX) or Los Angeles: 562-981-6800 (CA). If you are considering purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov