6” MAX3.3 Suspension System – GM Silverado / Sierra 1500 (2019–2024)

ReadyLIFT presents the new generation of suspension for full-size pickups – 6” MAX3.3 Suspension System, developed specifically for the 2019–2024 Chevy Silverado and GMC Sierra 1500 4WD.

This system is built for customers who want the highest level of comfort, control and an aggressive look, with no compromise in everyday driving. At its core are Falcon 3.3 coilover shocks at the front and piggyback shocks at the rear, providing full adjustment to suit the terrain.

⭐ Key Features

🔧 Falcon 3.3 shocks

• Adjustable front coilover shocks + rear piggyback shocks

• 3 modes:

  • Soft

  • Custom

  • Firm

• 8-position fine adjustment (micro adjust)

• External reservoir (remote reservoir) for stable performance in tough conditions

🛠️ Reinforced construction

• Upper control arms (upper control arms) made from DOM steel

• High-angle ball joints (ball joints) for better articulation

• Front and rear crossmembers made from reinforced steel

• Front skid plate made from 3/16” steel

• Differential brackets (differential drop brackets) made from 1/4” steel

• 5” rear lift blocks with bump stops (bump stop integration)

⚙️ Shock technology

• 6061-T6 aluminium body

• VOD (Volume Optimized Damping) for better control

• Special Red Line oil for stable performance at extreme temperatures

• Resistant to load, overheating and off-road conditions

🚗 Handling and comfort

• Retains the factory ride

• Retains the turning radius

• Better control at high speed and off-road

• Significantly improved stability

📏 Tyres and wheels

✔ Recommended (no cutting)

• 20×9 wheels

• 0 offset

• 35×12.50 tyres

✔ Maximum (with cutting)

• 20×10 wheels

• -18 offset

• 35×12.50 or 325/60R20

⚠️ Trimming may be required on:

• front bumper (valance)

• inner fender liners

• mud flaps

📊 Actual lift (important)

• Trail Boss / AT4 → actual +4” over factory height

• AT4X / ZR2 → +4”, but the Multimatic shocks are removed

⚠️ Limitations

❌ Not compatible with:

• Diesel models

• Denali

• Adaptive Ride Control

• Multimatic suspension (is removed)

• Mono-leaf springs (single-leaf springs)

• Super Cruise

❌ Not recommended:

• using Auto 4 Hi mode

❌ Not tested for:

• Single Cab

🔧 Advantages

• Top-class adjustable suspension

• Significantly improved control and stability

• Extremely strong components

• Suitable for everyday use + tough off-roading

• Ability to personally tune the ride