6 Inch Lift Kit | 52 Inch Rear Springs | Chevy/gmc 3/4-ton Suburban/c25/k25 Truck (73-76)

Built for 1973–1976 Chevy and GMC 3/4-ton truck owners who want serious ground clearance and capability without sacrificing ride quality, this 6-inch lift kit raises your C20/K20 or C25/K25 while preserving the balanced on- and off-road performance you need. The kit accommodates 35"–37" tires and ships with application-valved N3 series shocks tuned for your truck's weight and geometry.

Installed and serviced at Road Runner Wheels & Tires. Most lift kits go in the same day. Call (678) 400-6467 to schedule.

What's included

• N3 Shock Pair (front) — Application-valved shocks engineered for balanced on- and off-road performance on your 3/4-ton platform.
• N3 Shock Pair (rear) — Matched rear shocks to work with the lifted spring geometry and maintain ride control.
• 6-inch Front Leaf Springs (pair) — Precision-arched leaf springs that deliver the lift height while supporting your truck's weight.
• 4-inch Rear Leaf Springs (pair) — Rear springs that complement the front lift and maintain proper driveline angle.
• Raised Steering Arm — Corrects steering geometry after the lift to prevent binding and restore proper caster angle.
• Front Installation Kit — All fasteners, brackets, and hardware for secure mounting on 1973–1976 Chevy C20/K20 and GMC C25/K25 trucks.
• Rear Installation Kit — Complete mounting hardware for rear spring and shock installation.

Important notes

• This kit only fits vehicles equipped with 56-inch OE rear leaf springs. Verify your spring length before ordering.
• If your truck has a factory front sway bar, drop brackets (SKU: 1019) are recommended to maintain clearance and prevent binding.
• If your truck is equipped with factory front quad shocks (four total front shocks), the Factory Quad Shock kit (SKU: Q20027) must be added to this order.

Why customers pick this at Road Runner

• Rough Country lifetime warranty backed locally — we stand behind every kit we install.
• Professionally installed by technicians who service these classic Chevy and GMC trucks every week.
• Alignment and geometry correction performed in-house as part of every lift install, so your steering and suspension work as designed.
• Same-day installation on most kits means you drive lifted the day you call.

Ready to build it? Call (678) 400-6467. Hablamos Español.