Firestone 2599 Ride-Rite Air Helper Spring Kit 24-25 Toyota Tacoma 4WD 5,000 lbs

Vehicle Fitment

• 2024-2025 Toyota Tacoma (4WD only; all cab configurations - Access Cab and Double Cab; all grades) - Confirmed fitment
• NOT compatible with 2024-2025 Toyota Tacoma 2WD - this kit is designed for 4WD Tacoma rear suspension geometry only
• NOT compatible with earlier Tacoma generations (2nd gen 2005-2015 or 3rd gen 2016-2023) - see Firestone PN 2407 for 2005-2023 Tacoma fitment

Application Notes

• This is an air spring kit only - it does not include an air compressor, wireless controller, or gauge. An air compressor accessory system (sold separately by Firestone under the Air-Rite or Air Command lines) is required to inflate and adjust the air springs. Manual inflation with an external air source is also possible through the kit's individual valve stems.
• The Firestone 2599 supplements the 4th-generation Tacoma's factory rear leaf spring suspension. The air springs mount between the frame and rear suspension using the factory bolt holes - no drilling required for the air spring installation. All mounting hardware, brackets, air lines, and individual inflation valves are included.
• Load-leveling capacity of up to 5,000 lbs is achieved at maximum air pressure. Do not exceed the Toyota Tacoma's published GVWR (Gross Vehicle Weight Rating) regardless of air spring pressure.
• Individual left and right inflation valves allow independent side-to-side pressure adjustment, enabling the driver to level the truck under asymmetric loads - cargo loaded to one side of the bed, or an off-center hitch load.
• At minimum pressure (5 PSI), the air springs contribute minimal additional stiffness and the truck rides close to the factory character. This makes it practical to leave the springs installed year-round, inflating only when carrying or towing loads.
• Lift compatibility: If your 4th-gen Tacoma has a rear lift, consult Firestone's application guide or a dealer to confirm whether a lift spacer kit is required in addition to this spring kit. Most Ride-Rite kits are compatible with rear lift kits, but spacer length must match the rear lift height - not the total lift applied to the front.
• Typical installation time is 1-2 hours with basic hand tools.

Features

• Up to 5,000 lb load-leveling capacity - the pair of convoluted air springs provides rear suspension support at the frame and suspension interface, countering rear sag under payload and towing loads and maintaining the Tacoma's designed ride height under maximum load conditions.
• Convoluted air spring design - the Ride-Rite springs mount between the 4th-gen Tacoma's frame and rear axle, supplementing the factory leaf springs. As air pressure increases, the springs stiffen progressively to resist compression and maintain ride height under increasing load, then return to minimal stiffness when deflated for unloaded driving.
• 5-100 PSI adjustable pressure range - the wide pressure range allows fine-tuning for loads ranging from a light bed cargo to maximum towing, giving the driver precise control over rear suspension stiffness relative to the load being carried.
• Individual inflation valves for independent side-to-side adjustment - the left and right air springs inflate independently through separate valves, allowing pressure to be set differently on each side to level an asymmetric load.
• Reduces inter-leaf friction - by supplementing the factory leaf springs with air pressure support, the Ride-Rite system reduces the metal-on-metal inter-leaf contact friction that contributes to the harsh, choppy ride common with heavily loaded leaf springs.
• Prevents leaf spring permanent sag - sustained heavy loading of factory leaf springs can cause permanent set (sag) over time. The air springs distribute load stress and reduce the permanent deformation load applied to the factory leaf packs, extending leaf spring service life.
• Levels headlights under load - rear squat under a towing or payload load angles the truck's headlights upward relative to the road. Maintaining factory ride height with the air springs also maintains headlight aim, improving nighttime driving safety when towing.
• No-drill installation - mounts using the 4th-gen Tacoma's factory holes. No permanent modification to the frame or suspension is required.
• Designed and assembled in the USA - Firestone Industrial Products manufactures the Ride-Rite line domestically using commercial-grade engineering standards.
• Lifetime warranty on air springs (original purchaser, original vehicle); 24-month warranty on hardware and brackets from the original retail delivery date.

Specifications

• Part Number: 2599 (full part number: W217602599)
• Kit Type: Air Helper Spring Kit (springs + hardware only - no compressor included)
• Vehicle Fitment: 2024-2025 Toyota Tacoma 4WD only
• Air Spring Type: Convoluted, rear axle
• Load-Leveling Capacity: Up to 5,000 lbs per pair
• Air Pressure Range: 5-100 PSI (adjustable)
• Compressor Included: No (sold separately)
• Mounting: No-drill; uses factory holes
• Kit Weight: 24.90 lbs
• Warranty: Lifetime on air springs; 24 months on hardware and brackets
• Made in USA: Yes

Included Components

• 2x Convoluted rear air springs (left and right)
• Mounting brackets and all hardware
• Air lines
• 2x Individual inflation valves (left and right)
• Detailed installation instructions

Product Description

The Firestone 2599 Ride-Rite Air Helper Spring Kit is the vehicle-specific rear air spring solution for the 2024-2025 Toyota Tacoma 4WD - Firestone's application-engineered kit for the 4th-generation Tacoma's rear leaf spring suspension. This is a spring kit only: it does not include a compressor, controller, or gauge. Buyers who want wireless or onboard electric inflation capability should add a compatible Firestone Air Command or Air-Rite compressor accessory separately; buyers who prefer to inflate manually with an external air supply or hand pump can do so through the included individual valve stems. The distinction from the 2878 All-In-One kit matters: the 2599 is the entry point for owners who already have an air compressor, want to add one later, or prefer the flexibility of manual inflation.

The Ride-Rite system installs between the 4th-gen Tacoma's frame and rear suspension using factory bolt holes - no drilling required for the air spring installation. Once installed and inflated to a pressure appropriate for the load being carried, the convoluted air springs counter the rear sag that occurs when the Tacoma's factory leaf springs are compressed under payload or towing loads. The practical effects are well-documented across the Tacoma community: the truck stays level under load, headlights stay aimed correctly, braking balance is maintained between front and rear axles, and the factory leaf springs are protected from the permanent set that accumulates with repeated heavy-load cycles. At 5 PSI - the published minimum - the springs contribute almost no additional stiffness, making it practical to leave the system installed year-round and inflate only when needed.

The 2599 is 4WD only - 2WD Tacoma owners should consult Firestone's current application guide for the appropriate 2WD kit. For owners of the earlier 3rd-generation Tacoma (2016-2023) or 2nd-generation (2005-2015), Firestone PN 2407 covers those applications. Firestone designs, engineers, and assembles the Ride-Rite line in the USA using commercial-grade manufacturing standards. The air springs carry a lifetime warranty for the original purchaser on the original vehicle; hardware and brackets are warranted for 24 months from the original retail delivery date.