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4" 1977-1991 Chevy 1 ton Pickup 4WD Lift Kit by Jack-It
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This 4-inch lift kit for the Chevrolet 1 Ton 4WD trucks is a custom package that Jack-it has put together. These kits have been specifically designed for the exact year of your GM 1 ton 4WD, with proper U-bolt sizes front and rear, all kits include Skyjacker softride front leaf springs. These lift packages will add a 3.5-inch rear block with a u-bolt kit. All these options will, of course, include a front sway shackle correct kit. Optional Fox Adventure series monotube shocks are available for maximum ride comfort and control. Jack-it has included new front spring eye, shackle bolts, and bushings with this package. It makes the installation much easier, and 30 to 50-year-old bolts and bushings are rarely in good shape to reuse. GM 1-ton trucks have a 4-bolt trunnion-style D60 front axle. Jack-it includes a raised steering block to correct the draglink angle. We also include new longer studs and locknuts to complete the steering correction installation. Features and Benefits
Package Includes:
Installation NotesThese kits are designed to fit the single wheel GM 1 ton 4wd models. All the front components will install on a dual rear wheel vehicle. The rear components may or may not work on the dual rear wheel vehicles. |
Important Notes1. If truck needs extra support for front for large bumper, diesel motor, ect. Order SKJ FLC140 fitted front add a leafs
2. This kit includes 12.5'' long rear u-bolts if truck has factory contact overloads may need longer rear u-bolts. Kit adds a 3.5'' rear block
3. Kit designed for single rear wheel vehicles
4. 8600 and greater GVWR 1984 thru 1990 3/4 & 1 ton trucks and Suburban's if equipped with a load sensing valve on rear differential. Recommend eliminating the valve (SEE GM TSB 88-T-151). (See details here) 5. Kit does not include extended bump stops. 6. Does not fit K3500 IFS models. Only V series sold axle models. |
Make | Chevy |
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Model | Pickup 1 ton |
Year Fitment | 1991, 1990, 1989, 1988, 1987, 1986, 1985, 1984, 1983, 1982, 1981, 1980, 1979, 1978, 1977 |
2WD/4WD | 4WD |
Manufacturer | Jack-It |
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Manufacturer Part Number | GM720SD |
Item Number | GM720SD |
Product Line | Lift Kits |
Lift Height | 4 inch |
WARNING : Cancer and Reproductive Harm. www.p65warnings.ca.gov/