Take your 1977-1987 Chevy and GMC 3/4 ton truck or SUV to the next level with this 4-inch lift kit from BDS Suspension. Designed to improve stance, performance, and capability of the K20 and K25, this kit includes everything necessary to set your truck up right with clearance for up to 35 inch Tires.
Up front the lift kit includes Glide-Ride leaf springs, 4 inch steering arm for steering correction, brake line brackets and precision tuned NX2 nitrogen charged shocks. In the rear this kit utilizes a high-strength lift block, longer u-bolts and a matching set of NX2 Nitro shocks.
Glide-Ride Leaf Springs
Built to outperform, BDS engineered the Glide-Ride leaf springs into a multi-leaf progressive spring rate design that provides a smooth ride with any load. This is accomplished with an exclusive triple-stage leaf spring design. Upgrading to BDS Glide-Ride leaf springs will provide flexibility throughout the suspension cycle.
Front Lift Method: Leaf Spring
Rear Lift Method: Blocks
Shocks Included: Yes
Front Lift Height: 4 inch
Rear Lift Height: 4 inch
The 3/4 ton commonly came with a factory 56 inch eye to eye rear leaf spring. However, some were produced with a 52 inch rear spring. If ordering rear leaf springs, be sure to measure your factory rear spring before ordering.
If equipped with a factory front sway bar, a sway bar drop kit is available in the accessories section.
Some vehicle came with factory front dual shocks. If you wish to replace the factory duals, you must order the additional two auxiliary shocks in the options.
001408 come with OE style rubber bushings installed.
Exhaust modification may be required to clear front driveshaft.
Easy, 100 percent Bolt-on installation
Glideride leaf springs to provide full lift height and increased capacity
New steering arm maintains proper steering angles for improved handling
Cast steel blocks and add-a-leaf provide level stance from front to rear
Standard NX2 Nitro shocks with vehicle-specific valving for better control
Upgrade to FOX 2.0 Performance Series shocks for maximum performance on and off-road
4 Inch Block Kit with Add-A-Leaf
Help freshen up old worn-out factory leaf springs.
Provides an additional 1 inch of lift.
Includes new center pins.
Shock Option NX2 Nitro Series
Nitrogen-charged
Twin-tube design
10-stage velocity-sensitive valving
Dual-welded ends for increased strength
1-3/8-inch high-flow piston
Self-lubricating seals
Silver powder coat finish
Kit Components:
Includes two BDS001401, 73-91 GM 4 Inch Front Spring, UPC Code 658848611164
Includes one BDS011001, 77-87 GM Front Box Kit (3.00 dia. front), UPC Code 658848611621
Includes one BDS011208, GM 3/4 ton 2 Inch Rear Box Kit, UPC Code 658848611683
Includes one BDS081401, 69-91 GM 4 Steering Arm, UPC Code 658848618064
Includes one BDS119157, GM/Dodge Rear Long Add-a-leaf, UPC Code 658848618774
Includes two BDS85620, Shock- 23.10 x 14.25 x 2-3/8 - EB1/EB1, UPC Code 711745609402
Includes two BDS85639, Shock- 29.70 x 17.60 x 2-3/8 - EB1/EB1, UPC Code 711745609440
