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3 Inch Lift Kit 73-87 Chevy Truck/GMC Truck/Suburban/3/4 Ton 4WD Heavy Duty Fits Models w/52 Inch long Rear Springs Tuff Country

Manufacturer: Tuff Country
Manufacturer Part Number: 13723K
Availability: Ships directly from supplier. Usually ships within 1-2 days, but may take longer.
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Gain additional tire clearance for 33 inch tires and replace your front and rear springs with a Tuff Country Chevy/GMC Lift kit. This heavy duty version features front springs that are designed for vehicles with snow plows, big block engines or heavy aftermarket bumpers. Each spring is tapered, snub rolled and pre-set.

Also includes new springs eye bolts, front and rear ubolts and polyurethane leaf spring bushings. A drop steering arm used to maintain a full turning radius. Once installed will allow use of 33 inch x 12.5 inch tires.

  • 3 Inch Heavy Duty Lift Kit (Fits Models w/ 52 Inch Long Rear Springs)
  • Heavy Duty front leaf springs recommended for big block engines and snow plows
  • Teflon pads used to eliminate noise and squeaking
  • Polyurethane bushings included with springs
  • Limited lifetime warranty on all lift kits
  • Allows use of 33 inch x 12.5 inch tires
  • Proudly Made in the USA - (many other brands are not)
  • Sold As A Kit


  • 1973-1987 Chevrolet Truck 3/4 Ton 4WD K20
  • 1973-1987 Chevrolet Suburban 3/4 Ton 4WD
  • 1973-1987 GMC Truck 3/4 Ton 4WD K20
  • 1973-1987 GMC Suburban 3/4 Ton 4WD

Installation Notes:

  • Factory front and rear shocks must be replaced with new extended shocks to install this lift kit properly
  • Recommended Tire Size: 33 Inch x 12.5 Inch
  • Amount of Lift: 3 inch front/3 inch rear
  • Includes: 2) Heavy Duty front leaf springs, 2) EZ-Ride rear 52 inch long leaf springs, 4) Front U-bolts, 4) Rear U-bolts, 1) Brake line extension kit, 2) Hardware bag, 4) Front leaf spring eye bolts, 4) Rear leaf spring eye bolts
Products specifications
Country of OriginUSA
Sold AsKit
LocationFront, Rear
Includes ShocksNo
Number of Boxes4
Recommended Tire Size33 Inch x 12.5 Inch
Youtube Video
SeriesHeavy Duty
Proposition 65 Warnings

CALIFORNIA WARNING: Cancer and Reproductive Harm -

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