Easy Returns and Free Shipping on orders over $75
Pay at your own pace. Pre-Qualify Now
Winter Sales Starts Now! — Click Here to Get Your Discount

Superlift Suspension K424 8" Lift Kit w/Rear Spring Kit w/Super Lift Shocks

Fits 1973-1974 GMC K15/K1500 Suburban Pickup 1973-1986 Chevrolet K10 1973-1991 Jimmy Blazer 1975-1978 K15 1975-1986 K5 1979-1986 K1500 1987-1991 1987 V1500 1987-1988 V10 1989-1991
Superlift Suspension K424 8
1709.99In stock
Fits 1973-1974 GMC K15/K1500 Suburban Pickup 1973-1986 Chevrolet K10 1973-1991 Jimmy Blazer 1975-1978 K15 1975-1986 K5 1979-1986 K1500 1987-1991 1987 V1500 1987-1988 V10 1989-1991
4.9257950530035 849 5
98.515901060071%
4.9/5 out of 849 Company Reviews. Rating:
$1,709.99
$1,709.99

Bundle and Save with these options

Typically Ships 3-5 days
Your discount may still be available. Contact us in Live Chat
  • Lowest Prices
    Price match guarantee
  • In-House Experts
    We know our products
  • Factory Authorized
    Install Center
  • Guaranteed Fitment
    Always the correct part
  • International Shipping?
    Get a Quote
Talk to a Specialist Now

Product Details

Superlift's complete Superlift leaf spring suspension lift kit provides 8" lift height.

The 8" lift consists of Heavy Duty (HD) front leaf springs, durable Poly spring bushings, replacement front U-bolts, front sway bar brackets, brake hose relocation brackets, replacement rear leaf springs with Poly bushings and rear u-bolt kit.

For steering correction, a 4" raised steering arm and a 4" adjustable drag link are also included. The kit is packaged complete with Superlift shock absorbers. Options include single and dual steering stabilizers, a 4" rear shackle flip kit and a front driveshaft spacer.

This Order Qualifies For FREE Bad Ass Swag
Tshirt
Hat
Beanie Cap
Nascar #2 Creed Championship Truck
In-stock 50 In-stock / 53 Sold Typically Ships 3-5 days

Fitment

YearMakeModelSub Model
1973-1974GMCK15/K1500 Suburban
1973-1974GMCK15/K1500 Pickup
1973-1986ChevroletK10 Suburban
1973-1974ChevroletK10 Pickup
1973-1991GMCJimmy
1973-1974ChevroletBlazer
1975-1978GMCK15
1975-1978GMCK15 Suburban
1975-1986ChevroletK10
1975-1986ChevroletK5 Blazer
1979-1986GMCK1500 Suburban
1979-1986GMCK1500
1987-1991ChevroletBlazer
1987GMCV1500
1987-1991GMCV1500 Suburban
1987-1988ChevroletV10 Suburban
1987ChevroletV10
1989-1991ChevroletV1500 Suburban

Features

  • Heavy Duty Front leaf springs
  • Durable Urethane spring eye bushings
  • Degree shim installed on the front springs to help driveline angle
  • Rear lift options include add-a-leaf and block or full replacement rear spring
  • Raised steering arm and drop drag link included
  • Sway bar drop brackets included
  • Front driveshaft spacer available
  • Superlift shock absorbers included

Quick Specs

  • Country of Origin: US
  • Sold As: Kit
  • Availability: Available
  • Location: Front and Rear
  • Universal: No
  • Drive: 4WD
  • Harmonized Tariff Code: 87080
  • NAFTA: C
  • Part Number : K424

Important Notes

  • Installation time: 2 hours
  • Difficulty level: 2 of 5
  • Additional Info
  • 1977.5-91 models require clearance (machining) of the front driveshaft CV cluster to prevent binding. If the vehicle has a single exhaust, the cross-over pipe requires modification to clear front driveshaft.
  • Optional extended length brake hoses recommended.
  • Brake line/hose relocating hardware included in kit box. Both driveshafts need to be lengthened.
  • This is a SwampRunner Series lift system that is intended primarily for off-road or exhibition use. Reference the "Important Product Use" section of the Warranty for additional safety-related information.
  • Vehicles with 56" long rear spring can use spring if shackle hanger is relocated on frame for 52" long application.
  • If the vehicle is factory-equipped with auxiliary (dual) front shocks also order quantity two, part number 85150 Superide shocks.
  • 88-91 Blazer/Jimmy and Suburban models require additional part number 315-88 bushing sleeve kit.
  • ATTN State of California Consumers warning: Cancer and Reproductive Harm

Product Questions

Ask A Question
request catalog
Unlock Additional Savings Now! Request Now X