rancho lift kit

Rancho 4in Lift Kit – Chevy



Product Description

If you’re looking for a suspension lift kit that’s engineered to perform at the highest level off-road & on, built tough to take a pounding, and last for the life of your vehicle, then Rancho Suspension is your kit. Rancho has been in the business of providing rugged off-road products for 50 years, and is a leader in innovative suspension and shock absorber design. This kit has a one-piece reinforced subframe, made from high-strength, low-alloy steel & is compatible with StabiliTrak equipped vehicles

  • Kit Number: RS6583B
  • Approximate Lift: 4″ Front, 4″ Rear
  • Development Tire Size: 315×70 R17
  • Actual Tire Size: 34.5×12
  • Development Wheel Size: 17×8
  • Development Wheel Backspacing: 5.5
  • Total Backspacing: 6.5
  • Black powdercoat finish
  • All necessary installation hardware & detailed installation instructions included
  • This is a complete suspension system with everything you need to lift your vehicle except the shocks. Call us toll free @ 1-888-874-3824 or ask us a question using this ad to add shocks to your order.
  • This kit & all its components are brand new, factory sealed w/ full manufactures limited lifetime warranty


  • Made in the U.S.A.
  • Fits up to 315/70/17 tires ( 34.5″ )
  • Will not affect the Stablilitrak control system
  • One piece reinforced sub-frame – made from high-strength, low-alloy steel and DOM tubing
  • Allows reuse of the stock wheels
  • CNC machined extended steering knuckles
  • Compatible with both 2WD and 4WD vehicles
  • Maintains factory location of rack & pinion
  • No exhaust modifications required
  • Rear add-a-leaf and riser blocks
  • Limited lifetime warranty



  • Provides maximum structural integrity
  • Functions like O.E.
  • Provides exceptional strength while installing easily and maintaining proper CV and drive shaft angles to minimize vibrations
  • Retain your stock spare
  • Maintains track width & ensures proper steering geometry



  • Shocks sold separately
  • Actual tire size varies between manufacturers
  • Vehicle may require alignment after kit is installed
  • Trimming or modification may be required to provide proper clearance for the development wheel and tire
  • All ride height increases are approximate and will vary due to vehicle specifications. (Engine size, factory options, trailequipment, ect.)
  • Kit Does NOT Fit ZX3 Electronic Ride Control & Quadrasteer Package
  • This Kit Does NOT Fit Vehicles w/ All Wheel Drive or Manual Transmission


Parts Included

  • Subframe – (RS176385B) – One piece reinforced sub-frame – made from high-strength, low-alloy steel and DOM tubing
  • Aft Braces – (RS176132B x2)
  • Subframe Hardware Kit – (RS860546)
  • Swaybar Hardware Kit – (RS860547)
  • Differential Hardware Kit – Front (RS860550)
  • Aft Brace Hardware Kit – (RS860474)
  • U-Bolts – Rear (RS7495 x4)
  • Block Pin Hardware Kit – Rear (RS8051)
  • U-Bolt Hardware Kit – Rear (RS8102)
  • Leaf Spring Center Bolt Hardware Kit – (RS860410)
  • Aftbrace Brackets – (RS176138 x2)
  • Axle Spacers – (RS176235 x2)
  • Axle Spacer Hardware Kit – (RS860176)
  • Brakeline Bracket Kit – (RS860569)
  • Instruction Sheet – (RS88583)
  • Bumpstops – Rear (RS176477 x2)
  • Bumpstop Hardware Kit – Rear (RS860582)
  • Tie Rod Ends – (RS602617 x2)
  • Add-A-Leafs – Rear (RS331 x2)
  • Knuckles – (Left RS176475, Right RS176476) – CNC machined extended steering knuckles
  • Differential Drop Brackets – (Right RS176386, Left RS176387)
  • Brake Lines – Front (RS170106 x2)
  • Blocks – Rear (RS15080 x2)

Vehicle Fitment

  • 2007-2012 Chevy Silverado 1500 2WD/4WD w/ Automatic Transmission
  • 2007-2012 GMC Sierra 1500 2WD/4WD w/ Automatic Transmission

If you are unsure of the Suspension Lift Kit you need to fit your vehicle, please contact us before ordering. We are happy to take the time to make sure you get the proper Suspension Lift Kit for your vehicle. We recommend fitment based on published industry guides as well as our many years of experience with Suspension Lift Kits and custom vehicles, however, vehicle fitment may vary, particularly in the case of modified or custom vehicles, or with over sized wheels/tires. Please inspect Suspension Lift Kit for damage/wrong part number before installing or warranty/returns will be void. All sales are final. Before orderingSuspension Lift Kitplease send us the year, make & model of your vehicle. We cannot ship until we have this information. We are an authorized Rancho dealer and offer the complete line of Rancho products. If you do not see the part you are looking for, give us a call and we will be more than happy to help you find just what your looking for at a competitive price & with unbeatable customer service.
Rancho Suspension: Warranty & Ride Guarantee

Limited Lifetime Warranty
Tenneco warrants qualifying Rancho products against defects in materials or workmanship (except finish) when used under normal operating conditions for as long as the products are installed on, and the original purchaser owns, the original vehicle on which they were installed. 

Additional Information

Drive Type

2WD, 4WD


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