The ReadyLIFT 4.5" Tubular Radius Arm Kit replaces the factory radius arms on a lifted truck to bring its geometry back in line. Heavy tubular construction is built for the loads heavy-duty trucks see. ReadyLIFT kit 77-19000 is engineered for the 2019-2026 Ram 2500 and 3500.
What's Included:
| Kit components (ReadyLIFT) |
|---|
| Tubular Radius Arms |
Wheels, tires, alignment, headlamp aiming, ADAS recalibration and any trimming labor are not included.
Features
Corrects lifted geometry
The arms are designed to restore suspension geometry on lifted trucks within ReadyLIFT's listed lift range, including caster.
Heavy-duty tubular construction
Tubular arms are built to handle the use heavy-duty trucks put on their front suspension.
Extra tire clearance
The arms are formed inward, which leaves more room for oversized tires.
Direct bolt-on design
ReadyLIFT designed the kit to bolt on in place of the factory arms.
Supports larger tires
Corrected geometry and added clearance make it easier to run a bigger tire on a lifted truck.
Fitment & Compatibility
Ram
| Years |
Model |
Notes |
| 2019-2026 |
2500 |
4WD only |
| 2019-2026 |
3500 |
— |
Fit guidance: Fits: 2019-2026 Ram 2500/3500, with the qualifiers shown. Check your vehicle's trim, drivetrain and factory suspension against these notes before ordering.
Specifications
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Brand: ReadyLIFT
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Warranty: ReadyLIFT No Hassle warranty, original purchaser; wear parts incl. shocks up to 1 year
-
Install time (ReadyLIFT estimate): about 12 hours (give or take 1), alignment and wheel mounting extra
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Shipping weight: 69 lb
-
Kit type: Control arms
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Alignment required: Yes, after installation
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Install difficulty: Professional install recommended
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Part number: 77-19000
Installation
Type: full suspension lift · Install: involved, per-vehicle install sheet · Afterward: alignment, headlamp aim, ADAS check
This kit installs using the steps in ReadyLIFT's instructions for this truck, including any trimming the instructions call for. Plan on a wheel alignment after installation and have headlamp aim checked. Vehicles with camera, radar or sonar driver-assistance systems need those systems checked and recalibrated, which can require dealer tools. ReadyLIFT recommends installation by a certified mechanic and says to read the full instructions before starting. Tire sizes are ReadyLIFT guidance based on specific wheel and tire brands, so test fit every combination. Larger E-rated tires have stiffer sidewalls than stock C-rated tires and can make the ride feel firmer.
ReadyLIFT estimates about 12 hours for this kit, give or take 1 hour, not counting the alignment or mounting wheels and tires.
ReadyLIFT's installation instructions for this part number are linked under Resources. Read them fully before starting.
Resources
Warranty, Shipping & Returns
Warranty. ReadyLIFT backs this product with its No Hassle warranty for the original purchaser: if a part breaks or arrives defective, ReadyLIFT ships a replacement, and a claim starts with a call to 800-549-4620. Wear items such as the included shocks, ball joints and bushings are covered for up to one year. Damage caused by off-road abuse voids coverage. Discontinued, clearance and outlet items are excluded, as are labor, installation charges and consequential vehicle damage. Shipping. The carrier and ship method are set by the size and weight of the cartons when the order is placed; larger kits ship by freight. Inspect on delivery. Check every box and part against the kit component list when it arrives, and report any shortage or shipping damage before installation begins.
Returns. Unused items in their original packaging can be returned within 30 days of delivery. If an item arrives damaged, defective or wrong, return shipping is on us. See our Returns & Refunds Policy, or email support@prestigetruck.com with any question.
About ReadyLIFT
ReadyLIFT Suspension started in 2006 with one goal: give truck and SUV owners more tire clearance and a better stance while keeping the ride and handling their vehicle had from the factory.
What began as a practical option to traditional big lifts now spans front leveling kits, SST mild lifts, full big lift systems, premium coilover packages, upper control arms and Falcon shocks for popular trucks and SUVs.
Wheel Pros bought ReadyLIFT in 2018, and in August 2026 the brand joined Bestop Premium Accessories Group, which plans continued investment in engineering, product development, manufacturing and customer support.
