4in GM Suspension Lift System

SKU: 18030 | Brand: Rough Country
(4.8) | 6 Review(s)
Custom fit product - Verify Fitment!
Want it by Wednesday, April 24 in Beaumont, TX ?
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  • Increased ground clearance
  • Includes application valved N3 series shock absorbers which offer the best in balanced performance for on and off-road use.


  • ONLY fits models with 52" rear leaf springs.
  • If vehicle is equipped with a front sway-bar, drop brackets are recommended. (#1019)
  • Optional steering arm only fits models with 3-bolt open knuckle steering.
SKU 18030
Est. Install Time 6 - 8 hours
  • Lifted leaf springs
  • Brake line relocation brackets
  • U-bolts
  • Hardware
  • Lifted leaf springs
  • U-bolts
  • Hardware
  • (4) Premium N3 series

Vehicle Fitment

Years Drive Make Model
1969-19724WDChevrolet1/2-Ton Pickup
1969-19724WDChevrolet3/4-Ton Pickup
1969-19724WDChevrolet1/2-Ton Suburban
1969-19724WDGMC1/2-Ton Pickup
1969-19724WDGMC3/4-Ton Pickup
1969-19724WDGMC1/2-Ton Suburban
ALWAYS read all product page details for more important fitment information

Recommended Tires & Wheels

Tire Wheel Backspacing Offset
35x12.50 R1515x84.5in-
315/75 R1616x84.5in-
315/70 R1717x94.5-5in-12 to 0mm
315/65 R1818x94.5-5in-12 to 0mm
315/55 R2020x94.5-5in-12 to 0mm
Due to differences in manufacturing, dimension and inflated measurements, tire and wheel combinations should be test fit prior to installation.




Qualifying items receive Free Shipping on orders over $20! Qualifying orders for Free Shipping are shipped via ground delivery. Free Shipping is only applicable to the continental United States. Excludes Alaska, Hawaii, and Canada.
View our Shipping Policy here.


If you place your order before 4:30pm (CST), Monday-Friday, your order will be shipped that day. Parts ordered must be in stock for the order to ship. Approximately 98% of all orders placed leave our warehouses the same day (not including weekends & holidays). Even with our huge inventory, we may run out of an item. If this is the case you will receive an email with an expected availability date. Once an order has shipped, average UPS Ground transit time is an additional 1 to 3 working days.
View our Shipping Policy here.