1973-87 4WD 3/4T Chevy, GMC Pickup, Suburban 12" lift system, 52" rear springs, Superide shocks

Product No: K447 SL

Availability: In stock


Important Notes

This is a "SwampRunner Series" lift that is intended primarily for off-road or exhibition use. Refer to Warranty for additional safety related information.
** 1977.5-91 models require clearancing (machining) of the front driveshaft CV cluster to prevent binding. If vehicle has single exhaust, the cross-over pipe required modification to clear front driveshaft.
**Optional front extended length brake hoses are recommended. Click here for brake line options.
** 1988-91 Suburban requires 315-88 bushing sleeve kit
** Both driveshafts need to be lengthened.
** Front driveshaft spacer available separately
** Pickups with 56" long rear springs can use spring included if shackle hanger is relocated on frame for 52" long application.

Quick Overview

Lift your Chevy or GMC pickup or Suburban an astounding 12" with the Superlift heavy duty front & rear 52" leaf springs plus rear 3" block kit. This comprehensive lift kit includes all the main ingredients to stand tall!

Heavy Duty Front leaf springs
Durable Urethane spring eye bushings
Degree shims installed on the front springs to help driveline angle
Rear lift includes 52" rear leaf springs and a 3" block kit
Raised steering arm, raised steering block and drop drag link
Sway bar drop brackets
Front brake hose brackets
Rear brake hose
4 Superide shock absorbers
Lifetime Warranty and Satisfaction Guarantee

** Optional extended length front brake hoses are recommended

Product Attachments

View FileChevy, GMC 8", 12" Instructions    Size: (250.77 KB)

Required and/or Related Items

Superlift K447 Chevy, GMC Pickup, Suburban 12" lift kit

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    • Make: Chevrolet, GMC
    • Model: 2500
    • Vehicle: 1973-87 3/4T Pickup 12" lift system, 52" rear springs
    • 2or4: 4WD
    • Tire Size: 40x15.50
    • Upsell: 4310 SL, 92660 SL, SL-QUAD
    • Make: Chevy, GMC
    • Model: Suburban
    • Vehicle: 1973-91 3/4T Suburban 12" lift system, 52" rear springs
    • 2or4: 4WD
    • Tire Size: 40x15.50
    • Upsell: 4310 SL, 315-88 SL, 92660 SL, SL-QUAD

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