Additional Images

Rancho RS6550B Primary Suspension System


Buy this Rancho Primary Suspension System RS6550B Black - 4 in. Front/2.5 in. Rear Lift - Incl. UBolts - Riser Block - Brake Hose Bracket - Subframe - Steering Knuckle - Hdw Kits - Brackets - C-Bearing Spacers at with the lowest prices online for all Rancho aftermarket parts & accessories.

See Full List of Applications »


Rancho Primary Suspension System P/N RS6550B Features:

The following are a list of features for the Rancho P/N RS6550B Primary Suspension System on sale at

  • Fit Up To 35in. Tire
  • One piece reinforced Subframe
  • No Drivetrain or Exhaust Modifications Required
  • Rear Block Kit
  • Extended Cast Steering Knuckles
  • Proper Tire Clearance May Require Trimming
  • Shocks Sold Separately

Product Documents:

See Additional Photos and PDF Documents if Available »


Rancho is the off-road suspension and shock division of Tenneco.

Shipping Information

  • Item Requires Shipping
  • 210.0 lbs.
  • W7.0000” x H7.5000” x L35.0000”
  • Free Shipping!
  • This item will require a special quote for shipping charges.