BDS Suspension | 4 Inch Lift Kit Chevy/GMC 1/2 Ton Truck/SUV 88-91 4WD 4 Inch Block Kit W/NX2 Nitro Shocks | BDS137H

Designed to improve stance, performance, and capability. BDS Suspension has designed this 4-inch lift kit for your 1988-1991 Chevy K5 Blazer and GMC K5 Jimmy. 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

1. The 1/2 ton commonly came with a factory 52 inch eye to eye rear leaf spring. However, some were produced with a 56 inch rear spring. If ordering rear leaf springs, be sure to measure your factory rear spring before ordering.
2. If equipped with a factory front sway bar, order the front sway bar shackle link kit listed in the accessories section.
3. 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.
4. 001408 come with OE style rubber bushings installed.
5. 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

Rear Lift Option 4 Inch Block Kit

• Included in the base system.
• Made of cast iron for high strength.
• Designed to provide correct pinion angles.

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 BDS011003, 88-91 GM Blazer/Suburban Front Box Kit, UPC Code 658848611645
• Includes one BDS011409, GM 1/2 ton 4 Inch Rear Box Kit, UPC Code 658848611812
• Includes one BDS081401, 69-91 GM 4 Steering Arm, UPC Code 658848618064
• 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