Sale

Rancho Suspensions

Rancho 07-18 Wrangler JK Coil Spring Kit - Master Part Number - One Box

$1,176.99 $748.79 Save $428.20

SKU: R010 RS66139B

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item

Description

Part #: RS66139B

Get your 4-door Jeep (R) Wrangler JK Unlimited ready for a day on the trail with the Rancho (R) 2-in. Progressive Sport suspension system. This premium suspension system features front and rear progressive rate coil springs specifically tuned to deliver superior on-road comfort and off-road performance. Tested to comply with NHTSA FMVSS126, the kit works with the vehicle's electronic stability system.

Features:

  • COMPATIBILITY -- Designed for 4-door Jeep Wrangler JK Unlimited
  • BUILT FOR THE TRAIL -- Designed to fit up to 33-in. tires, get 2-in. of additional ground clearance needed for off-road driving (can accommodate 35-in. tires with trimming; aftermarket bumpers, sliders, winches, etc. affect lift height)
  • COMPLETE SOLUTION -- Front and rear progressive rate coil springs, front bump stops, rear brake line relocation brackets and mounting hardware; shocks sold separately
  • SUPERIOR PERFORMANCE -- Front and rear progressive rate coil springs, specifically tuned to provide superior on-road comfort and off-road performance
  • EASY TO INSTALL -- Bolt-on installation for an easy upgrade that complies with NHTSA FMVSS126 standards
  • COMPLETE PERFORMANCE UPGRADE -- Transform your suspension with Rancho geometry correction bracket (RS62103) or combine with Rancho adjustable control arms (RS66155B, RS66156B and RS66157B, RS66158B); sold separately
  • NOTES -- Compatible with Jeep factory electronic stability system, it allows the use of OE wheels and tires and is designed with 33-in. tires using 17-in. wheels with 4.5-in. backspacing (tire size varies between manufacturers)
  • BUY WITH CONFIDENCE -- Comes with Rancho's limited lifetime warranty

Rancho RS66139B Suspension Lift Kit for Jeep Wrangler

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandRancho Suspensions
Part NumberR010 RS66139B

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy