System R: 3.5″ Suspension Monster Lift 1966-77 Bronco

Experience the ultimate in suspension technology with the System R: 3.5″ Suspension Monster Lift designed specifically for the 1966-77 Bronco. This cutting-edge leaf-spring suspension system integrates advanced features for enhanced performance, ensuring a superior blend of articulation and ride comfort both on and off the road.

Description

This Long Travel suspension system sets a new standard with its Stage 2 Long Travel Shock Hoops, Stage 2 Rear Shock Mounts, and the longest travel shocks available. Engineered to accommodate a minimum 2″ body lift, this innovative design allows you to maximize the performance of your springs and achieve outstanding articulation without sacrificing ride quality. Whether traversing rugged terrains or enjoying a city drive, this system delivers the best of both worlds.

Key components of this suspension system include:

– Long Travel Radius Arms
– Extended Stainless Braided Brake Hose (Frame to Axle)
– Extended E-Brake Cables
– Heavy-Duty Bump Stop Kit
– Drop Pitman Arm
– 3.5″ Progressive Rate Coils
– 14-Piece Bushings Kit (4°)
– 11 Pack Progressive Leaf Springs
– Heavy-Duty Track Bar Drop Bracket
– U-Bolts
– Stage 2 Shock Hoops
– Stage 2 Rear Shock Mounts
– Upper Coil Retainer Tabs
– 4 Classic Duff 70/30 Shocks (Part #8120)
– 4 Classic Duff 70/30 Shocks (Part #8114)
– Polyurethane Shackle Bushings

For those who prefer to avoid a body lift yet desire hoop-style suspension, the 5000S system is an excellent alternative.

If you’re interested in maintaining sway bars without removing radius arm brackets, consider our Ultimate system featuring T-Rex Arms.

Features & Benefits:

  • Top-of-the-line leaf-sprung suspension technology
  • Optimized for superior off-road articulation
  • Compatible with at least a 2” body lift for full travel utilization
  • Excellent ride comfort across diverse driving conditions

Technical Specs:

  • Vehicle fitment: 1966-77 Bronco
  • Lift height: 3.5 inches
  • Required body lift: Minimum 2 inches
  • Shock type: Classic Duff 70/30 (dual shock pattern)

Reviews

  1. Jesse

    I ordered the 3.5” Monster suspension and I couldn’t be happier. Great quality, easy to follow instructions and great support from the duff team when I did have a question.

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