Important Note Download the Installation Manual (PDF) under "Product guides and documents" on this product page.Lift vehicles may need spacers for installation.Not fit lowered vehicles.This kit DOESN'T fit for 2019 Ram 1500 Classic models. 1. Stress Test Over 5,000,000 Times: Durable and Safe 2. Burst Pressure≥2.0MPa: High Compressive Strength and Less Noise 3. 24 Hours Air Tightness Test ≤ 0.02MPa 4. Temperature Range ≥ -40℃/ ≤ 70℃: Premium Natural Rubber Material 5. Use high-quality steel with high load-bearing capacity and long life. 6. Safe carrying capacity and stability 7. Restore the original ride height and improve ride quality maXpeedingrods 5000 lbs Air Suspension Bags Kit Fitment for Ram 1500 4WD Standard 2019-2024 Note： Not fit for factory air. Not fit for 2019 Classic model and TRX model.For 4 wheel drive models only. Package Includes -2x Heavy Duty Double Bellow Air Ride Suspension bags -6x Upper and lower mounting brackets -2x Air fittings -2x Inflation valve -1x Air line -Includes All Hardware Needed to Install Specifications Condition Brand New Placement on Vehicle Rear left and right Drilling Required NO Minimum PSI 10 PSI Maximum PSI 100 PSI Stroke 100mm Load capacity Up to 5000 LBS Max. Extended 200mm Min. Compressed 100mm Internal Jounce Bumper Included maXpeedingrods Air Suspension Bags Kit Solves These Common Problems