1973-1987 Chevy Truck 3/4 ton 4x4 K20 - Tuff Country 3" EZ-Ride Suspension Lift Kit

1973-1987 Chevy K20 Truck 3
Shown with Shock Absorbers (sold separately, see options)
Tuff Country #13720K
Tuff Country - 13720k-chevy-truck
Authorized Dealer
Sale Price:
  • $467.53
$577.20 Save: $109.67 (19%)
Free Shipping
Usually Ships within 24 to 48 Hours (excluding Saturday and Sunday)
Arrives 1 to 5 days after product ships


Gain additional tire clearance for 33" tires and replace your front springs with the superior ride of the Tuff Country "EZ-Ride" Chevy K20 lift kit. Each spring is tapered, snub rolled and pre-set for the most comfortable ride available in a lifted positive arch leaf spring. Rear 3" cast iron lift blocks lift the rear of your Chevy truck. Also includes new springs eye bolts, front & rear ubolts and polyurethane leaf spring bushings. Once installed will allow use of 33" x 12.5" tires.

Note: To purchase Tuff Country 13720KN (w/SX8000 Shocks) please select in options above.

At Suspension Connection we are the #1 retailer of Tuff Country products in the world. Great prices, expert knowledge and exceptional customer service are why so many customers trust us with their Tuff Country purchases. Try us out!

Tuff Country has been producing quality suspension products for over 25 years and backs all lift kits with a limited lifetime warranty. image

Features and Benefits

  • Get the ultimate in lifted ride quality with "EZ-Ride" leaf springs
  • Teflon pads used to eliminate noise and squeaking
  • Polyurethane bushings included with springs
  • Limited lifetime warranty on all lift kits
  • Allows use of 33" x 12.5" tires

Installation Notes

1. Factory front & rear shocks must be replaced with new extended shocks to install this lift kit properly. Please choose shocks & boots in the "Options" fields above if you have not already purchased extended shocks.

Tech Specs

Download Instructions: 13720K Instructions
Recommended Tire Size: 33" x 12.5"
Amount of Lift: 3" Front / 3" Rear
Items Included:

2) EZ-Ride front leaf springs, 2) 3" rear cast iron blocks, 4)Rear u-bolts, 4) Front u-bolts, 1) Brake line extension kit, 2) Hardware bag, 4) Front leaf spring eye bolts

Weight: 100.00 lbs.
Part 13720K fits:
  • 1987 Chevy Truck
  • 1986 Chevy Truck
  • 1985 Chevy Truck
  • 1984 Chevy Truck
  • 1983 Chevy Truck
  • 1982 Chevy Truck
  • 1981 Chevy Truck
  • 1980 Chevy Truck
  • 1979 Chevy Truck
  • 1978 Chevy Truck
  • 1977 Chevy Truck
  • 1976 Chevy Truck
  • 1975 Chevy Truck
  • 1974 Chevy Truck
  • 1973 Chevy Truck

Customer Questions & Answers

Have a question about this product? Let one of our experts answer it for you!

We will respond with an answer ASAP.


  • 5.0 out of 1 Overall
  • 100% reviews recommend this product
Review Product
Perfect lift for me
Had to replace stock front springs as they were shot and bushings were gone. Wanted a bit of lift but not so much to affect steering geometry and driveshaft angles. Actual lift on my 85 K2500 was between 2.5 and 3" which was perfect for what i wanted. Looks fantastic on my old girl and rides like a dream compared to the worn out stock springs and shocks. Decals on front/rear shocks didn't match, so i just left them off the rears. Front brake line extension brackets were a joke, fortunately my were long enough thanks to a prior replacement.
Recommend this Product: YES
1985 GMC Sierra Classic K2500
– Value
– Quality
– Installation